Search Results — 2000 specimen records retrieved (1886 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67715  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 05 Riverside Santa Rosa Mtns, N of Toro Peak at Virgin Spring 2348 Comment
  CAS-BOT-BC229353  Abronia villosa Marcus E. Jones 1925-9-7 s.n. Riverside Palm Spring [Springs] Comment
  CAS-BOT-BC229358  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  CAS-BOT-BC229367  Abronia villosa J. H. Thomas 1949-2-28 48 Riverside Between Banning and Palm Springs Comment
  JEPS61238  Abronia villosa Mary Beal 1939-10-25 707 Riverside Between Coachella Palm Springs; Mojave Desert Comment
  UC912300  Abronia villosa Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  GMDRC6584  Abronia villosa var. aurita J. M. Andre 2012-6-15 30546 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UCR216206  Abronia villosa var. villosa Jim Andre, T. La Doux 2009-2-25 10833 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  POM2530  Acacia greggii var. arizonica J. S. Chase 1916-04 s.n Riverside Palm Springs. Comment
  UCR201843  Acacia redolens Justin M. Wood 2008-10-29 211 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 320 Comment
  JEPS12544  Acamptopappus sphaerocephalus var. sphaerocephalus W. L. Jepson 1927-4-12 11658 Riverside east (at Whitewater) San Gorgonio Pass; Whitewater 423 Comment
  RSA416159  Acamptopappus sphaerocephalus var. sphaerocephalus N. C. Cooper 1948-5-13 2845 Riverside Banning. 701 Comment
  CAS-BOT-BC20352  Achillea millefolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC39984  Achnatherum occidentale H. M. Hall Jun 1 1901-Jul 1 1901 2325 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  POM10340  Achyronychia cooperi E. Schlinger 1916-04 S.N. Riverside Santa Marie Mountains. Colorado Desert. Comment
  UCR33657  Achyronychia cooperi Faulkner 1978-3-30 411 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  SBBG51126  Acmispon micranthus N. R. Zabriskie, W. Zabriskie 1973-4-3 609 a Riverside top of Poorwill Cyn, Andreas Cyn area 426 Comment
  JOTR35516  Acmispon nevadensis var. nevadensis La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3199 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  SD2552  Acmispon nevadensis var. nevadensis Florence Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
  SBBG22844  Acmispon rigidus D. Myrick 1965-3-4 1076 Riverside Palms to Pines Hwy 74 914 Comment
  SBBG45066  Acmispon rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwood Spring Comment
  RSA0118391  Acmispon rigidus Lyman Benson 1949-3-28 13559 Riverside Pines to Palms Highway from Palm Springs to Hemet; rocky mountainside. Mt. Range: Santa Rosa. 731 Comment
  SD187404  Acmispon strigosus Scott D. White, Angelia Carey 2004-4-16 10174 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  SDSU13586  Acmispon strigosus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SDSU13682  Acmispon strigosus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998M Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 500 feet southwest on road to switchback, west side of road. 311 Comment
  SD181710  Acroptilon repens Scott D. White 2000-5-5 7770 Riverside Murrieta: Vacant lot on north corner at intersection of Jefferson Ave. and Murrieta Hot Springs Road. 323 Comment
  UCR224047  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  CLARK-A1528-3971  Adenostoma fasciculatum John C. Roos 1948-5-22 3861 Riverside Reche Canyon Comment
  CAS-BOT-BC139865  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  RSA453182  Adenostoma sparsifolium Gale Sphon 1955-5-22 s.n. Riverside Vanderventer Flat (Ribbonwood, Redshank) Comment
  SEINET10964943  Adenostoma sparsifolium Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7147 Riverside Chaparral along roadside 1036 Comment
  UCR23515  Adenostoma sparsifolium John C. Roos 1936-9-15 2514 Riverside San Jacinto Mtns., Near the summit of the Pines to Palms Hwy 1494 Comment
  UCR89439  Adiantum capillus-veneris A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15874 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR151408  Adiantum jordanii D. L. Banks 1997-3-1 1355 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UC718133  Agave deserti C. B. Wolf and P. C. Everett 1939-9-29 Riverside 2.7 mi below Dos Palmos Spring (on Palms to Pines road); San Jacinto Range, Deep Canyon 274 Comment
Read comments
Sep 24 2011
  RSA22815  Agave deserti subsp. deserti Carl B. Wolf, Percy C. Everett 1939-9-29 9455 Riverside Desert slopes of San Jacinto Range. Deep canyon on Palms to Pines Road, 2.7 miles below road to Dos Palmos Spring. 274 Comment
  SEINET3412082 Image available Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  CAS-BOT-BC295628  Agnorhiza ovata H. M. Hall 1901-6-1 2170 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  RSA674563  Agoseris grandiflora Scott D. White 2000-5-31 7985 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  CAS-BOT-BC127425  Agrostis exarata Carl B. Wolf 1932-8-6 3997 Riverside San Jacinto Mountains. 2.9 miles from Idyllwild on road to Hemet. 1219 Comment
  UCD52295  Agrostis exarata Peter M. Ray Date Unknown 1934 Riverside Hall Canyon, San Jacinto Mtns. Comment
  CAS-BOT-BC139354  Agrostis idahoensis Carl B. Wolf 1932-8-5 3945 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  UCR96424  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR279591  Aliciella latifolia A. C. Sanders, Jim Malusa 2017-3-28 43158 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  LA206496  Aliciella leptomeria H. Lewis; 1949-3-26 sn Riverside Box Canyon Comment
  RSA0042208  Allenrolfea occidentalis Joseph Brehm 2014-7-17 s.n. Riverside Collected at Dos Palmas ACEC in Upper San Andreas Oasis, 2 miles south of oasis. Comment
  SBBG51138  Allionia incarnata W. W. Zabriskie 1974-2-28 156 Riverside W-facing slope of Pipistrelle Cyn, N slope of Santa Rosa Mtns 807 Comment
  POM263555  Allium fimbriatum var. fimbriatum J. C. Roos 1941-5-10 129 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  UCR49374  Allium haematochiton Steve Boyd 1986-3-9 1395 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  RSA0007778  Allium haematochiton F. W. Peirson 2394 Riverside 4 mi. W of Beaumont. Comment
  SD119912  Allium lacunosum var. davisiae Louis B. Ziegler 1967-6-27 181 Riverside San Jacinto Mountains, Hemet Valley, on flat on top of Pleistocene Sedimentaries, Morris Ranch Road area. 1615 Comment
  CAS-BOT-BC472711  Allium lacunosum var. lacunosum W. L. Jepson; H. M. Hall 1901-5-17 1858 Riverside Riverside to Santa Rosa Peak and Palomar, East base San Jacinto Mt 1280 Comment
  JEPS47552  Allium marvinii Frank W. Peirson 1921-3-19 2394 Riverside 4 mi w Beaumont Comment
  SD215328  Allium marvinii Steve Boyd, Tim Ross et al 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mountain at East end. 792 Comment
  RSA753543  Allium peninsulare Michael Wall 2009-6-6 519 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 1.0 miles SE of jct. with Fairview Ave. on slopes at sharp turn in the road 630 Comment
  RSA784538  Allium peninsulare var. peninsulare J. D. Olmsted 1962-5-2 436 Riverside By saddle just N of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  UC843420  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside e Hemet 640 Comment
Read comments
May 11 2010
  UCR129910  Allium praecox Mrs. C. M. Wilder 1905-1 s.n. Riverside Riverside 915 Comment
  CDA7116  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Yard of residence at 5081 Magnolia Ave, corner of Chapman Place, Riverside. Comment
  UCR125761  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River, Riverside, UCR campus, between East Campus Drve and Parking Lot 10 335 Comment
  UC1483922  Allophyllum glutinosum C. W. Tilforth and B. Busenberg 1980-6-10 1978 Riverside 1 mi. s. Lake Hemet (0.1 mi. in from Hwy. 74 on n. leg of Thomas Mt. Rd.) 1386 Comment
  SD236229  Alnus rhombifolia A. C. Sanders, D. L. Sanders 2008-9-27 36102 Riverside San Bernardino Valley Region: Santa Ana River bottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge (Corona North 7.5'Q) 164 Comment
  RSA385638  Alopecurus saccatus Christopher Davidson 1977-5-25 5648 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  SD146067  Alternanthera philoxeroides J. Zamora 1999-9-29 11537 UC Riverside Santa Ana River under the northwest end of the Market Street bridge. 244 Comment
  RSA644188  Amaranthus albus Scott D. White 1995-8-23 3564 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  SD175786  Amaranthus albus D. G. Kelch 2006-12-8 06 523 Riverside Santa Rosa Plateau, roadside. Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  JOTR30298  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2007-9-6 132 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA484737  Amaranthus fimbriatus A. C. Sanders 1988-10-22 8723 Riverside Pinyon Flats area Santa Rosa Mountains, along the trail about 1/2 mi. W of the Dolomite Mine. 1200 Comment
  RSA715262  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  JOTR29081  Ambrosia dumosa La Doux, Tasha 2005-3-30 1198 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  LA202893  Ambrosia dumosa Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  UCR109581  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-5-14 s.n. Riverside Coachella Valley, Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak 274 Comment
  UC111300  Ambrosia ilicifolia E. E. Schellenger c. 1912 4 Riverside Santa Maria Mts.; Colorado Desert Comment
  LA203748  Ambrosia salsola Martha Hilend; 1929-3-24 sn -a Riverside Thousand Palms Comment
  UC1979822  Ambrosia salsola Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  JEPS20779  Ambrosia salsola var. salsola Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13235 Riverside 11.3 mi n Blythe (U.S. 95 in wash arising in Big Maria Mts.); Big Maria Mts. Comment
  UCSB10223  Ambrosia salsola var. salsola Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  RSA0000639  Ammoselinum occidentale P. A. Munz, D. Keck 1922-4-13 4930 Riverside Hayfields, Chuckwalla Valley 152 Comment
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  RSA500571  Amorpha fruticosa Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3580 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  UC489216  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside Idyllwild Grade San Jacinto River (foot) Comment
  UCSB26801  Amorpha fruticosa Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mtn., 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  UC1563090  Amsinckia intermedia Steve Boyd 1986-3-1 1366 Riverside 1/4 mi s Harford Springs County Park (Gavilan Plateau); Gavilan Hills 640 Comment
  RSA0089610  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  CLARK-A1528-970  Amsinckia menziesii Patricia A. Andrews 1975-3-13 5902 Riverside Rubidoux Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA524431  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Timothy S. Ross, Jaime Bonilla 1990-4-3 4047 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA764882  Anemopsis californica Justin M. Wood 2010-9-8 2601 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UC219261  Anisocoma acaulis P. A. Munz and I. M. Johnston 1922-5-19 5418 Riverside Hemet Valley; San Jacinto Mts. 1386 Comment
  UCSB6331  Anisocoma acaulis Graney, Don 1953-3-22 Riverside Morongo Canyon Comment
  CAS-BOT-BC79937  Antennaria microphylla W. F. Parish 1880-8-1 584 Riverside Summit San Jacinto Mt. Comment
  CAS-BOT-BC79939  Antennaria microphylla Edmund C. Jaeger 1922-6-17 s.n. Riverside Long Valley, San Jacinto Mts. 2651 Comment
  RSA660484  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet: alkaline flats west of town, along Stetson Ave. W of Warren Rd. 457 Comment
  UCR280835  Anthemis cotula T. B. Salvato, Gregg Miller 2005-6-3 1371 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR158325  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30072 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1045-341  Antirrhinum coulterianum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
Read comments
Jun 22 2013
  JOTR31068  Antirrhinum coulterianum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2050 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  RSA78284  Antirrhinum coulterianum Philip A. Munz, E. K. Balls 1952-8-21 17971 Riverside Vandeventer Flats, SE end of San Jacinto Mtns. 1402 Comment
  UCR202325  Antirrhinum coulterianum Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR262229  Antirrhinum coulterianum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3707 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  JOTR32149  Antirrhinum filipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2304 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA0125282  Antirrhinum filipes Duncan S. Bell 2016-3-4 8787 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA336198  Antirrhinum filipes Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52014 Riverside Chino Canyon. Comment
  UC1929471  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-3 9462 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Temecula 7.5 Quad. Comment
  UC1929669  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  RSA271887  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth 1978-4-30 1584 Riverside Low rounded hills east of Norco. Comment
  UC20820  Apiastrum angustifolium A. J. McClatchie Apr. 1892 8 Riverside near Elsinore Comment
  UCR1593  Apium graveolens R. L. Needham 1962-5-8 10043 Riverside Riverside, base of spillway at WNW corner of Lake Evans [Fairmont Park] 245 Comment
  POM3376  Apocynum sibiricum Crawford, Johnston 1917-6-9 1229 Riverside Santa Ana River near Corona. Comment
  RSA46854  Aquilegia formosa Wilder 1903-07 s.n. Riverside Strawberry Valley Comment
  RSA0126335  Arabis glaucovalvula C. L. Hitchcock 1932-4-8 12218 Riverside 1 mile west of Cottonwood Springs. Comment
  RSA676286  Araujia sericifera Scott D. White 2001-6-22 8601 Riverside Corona: Bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 381 Comment
  UC1618107  Arceuthobium campylopodum Donald G. Nelson 1936-5-24 422 Riverside Hurkey Creek Camp Comment
  UCR128300  Arceuthobium campylopodum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  POM13939  Arctium lappa F. M. Reed 1907-6-23 1435 Riverside Old field above West Riverside Road above bridge. Comment
  RSA629417  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19495 Riverside Southwest of Wildomar, off of Calle Huerto, north of Avenida La Cresta, west of Clinton-Keith Road, southern Santa Ana Mountains. 850 Comment
  SD232670  Arctostaphylos glandulosa Scott D. White 1996-8-1 4450 Riverside San Jacento Mts.; Idyllwild Area: North of ISOMATA along USFS Rd 5S24.1. Road follows a recently-graded fuelbreak. S facing slope. 1554 Comment
  UCR4057  Arctostaphylos glandulosa Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 10 mi from Banning toward Idyllwild 1067 Comment
  CLARK-A1528-448  Arctostaphylos glandulosa subsp. glandulosa Shirley Hill 1963-3-31 630331-7 Riverside San Jacinto Mountains 1219 Comment
  SDSU18344  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 371 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  SJSU11106  Arctostaphylos glandulosa subsp. glandulosa G. B. Youngberg 1956-3-31 240 Riverside by Banning-Idyllwild Rd, San Jacinto Mts 1767 Comment
  RSA629421  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19506 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA263747  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6908 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA631769  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15064 Riverside Crosley Road, above Temecula Creek, 1 km south of Highway 79. 550 Comment
  RSA631786  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16731 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631799  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19570 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631815  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21806 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA0062646  Arctostaphylos glauca Dave Kelley 1949-1-20 s.n. Riverside Bautista Canyon about 7-10 miles east of Hemet. 518 Comment
  RSA633577  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20109 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633584  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22516 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633606  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22525 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633741  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20111 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC46551  Arctostaphylos patula Carl B. Wolf 1932-8-5 3988 Riverside San Jacinto Mts. Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  UCR188223  Arctostaphylos patula Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1696 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  CAS-BOT-BC44371  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Rocky ridges near Pipe Creek, above Hemet Valley, San Jacinto 1676 Comment
  LA42426  Arctostaphylos pringlei subsp. drupacea O. A. Plunkett; 1926-5-16 sn Riverside San Jacinto Mountains 1523 Comment
  RSA635654  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16865 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CSUSB1372  Arctostaphylos pringlei var. drupacea Sue Freeman 1966-4-30 Riverside Side of road between Banning and Idyllwild, about 10 miles northwest of Fuller Mill Creek; Yellow Pine Forest. 1219 Comment
  UC527314  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  UCR23648  Arctostaphylos pungens John C. Roos 1943-5-23 2652 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  RSA636180  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19545 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  UC219064  Arenaria macradenia var. macradenia P. A. Munz 1922-6-29 5893 Riverside Santa Rosa Mts. 2133 Comment
  UCSB2119  Argemone munita Beeks, Richard 1952-4-4 Riverside 2.15 miles W. of junction of U.S. 60, U.S. 70, and U.S. 195 Comment
  CAS-BOT-BC401648  Argemone munita subsp. argentea Carl B. Wolf 1932-4-27 3038 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  RSA13771  Argemone munita subsp. munita E. C. Jaeger 1921-7-14 1125 Riverside Soboba Hot Springs Comment
  RSA0042446  Argythamnia claryana Deidre Conocchioli, Duncan S. Bell 2014-3-4 148 Riverside 1.3 miles down dirt BLM road from paved 58th Avenue; 4WD road south of Lake Cahuila and La Quinta. Just northeast of mouth of Devil Canyon, east side of Santa Rosa Mountains, west edge of Coachella Valley 37 Comment
  GMDRC5515  Aristida californica J. Andre 2012-3-19 21352 Riverside Chuckwalla Valley: along Hwy 177, 8.6 mi. NE of Jct with I-10 152 Comment
  SEINET212398  Aristida californica var. californica N. H. Holmgren, PK Holmgren; RE Kern 1973-3-22 6457 Riverside Rice Valley 7 miles south-southwest of Rice 274 Comment
  UCSB51394  Aristida purpurea Roos, John 1965-6-23 Riverside Lost Palms Canyon, Eagle Mtns Comment
  POM147635  Aristida purpurea var. nealleyi F. M. Reed 1927-3-20 5479 Riverside Eagle Canyon - at junction with Salt Creek. Colorado Desert. Comment
  POM46956  Aristida purpurea var. nealleyi Mary F. Spencer 1918-3-27 825 Riverside Palm Springs 137 Comment
  POM47178  Aristida purpurea var. nealleyi Mary F. Spencer 1920-4-3 1542 Riverside Near mouth of Tahquitz Canyon, Colorado Desert 183 Comment
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Jul 24 2010
  UCR2170  Aristida purpurea var. nealleyi F. M. Reed 1920-5-9 4316 Riverside Sonoran (Colorado) Desert, mouth of Andreas Canyon [near Palm Springs, E slope of the San Jacinto Mtns.] 305 Comment
  UCR2168  Aristida ternipes var. gentilis F. M. Reed 1906-7-8 1128 Riverside Santa Ana River Valley, sand hills west of Pedley [RR] Station 213 Comment
  UCR111608  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Peninsular Range, Riverside, Box Springs Mtns. foothills, weed in the yard at 266 Frost Court, just east of UCR 396 Comment
  RSA388061  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Hartford Springs County Park, at south end of park. Comment
  UCR163793  Artemisia douglasiana John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  SD137912  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 771 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  UCR219997  Artemisia dracunculus A. C. Sanders, D. L. Sanders 2010-11-28 38700 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR277729  Artemisia dracunculus Mitch Provance 2012-10-15 1012- 06 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  SEINET269257  Artemisia ludoviciana M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  JOTR30293  Artemisia ludoviciana subsp. incompta Andre, Jim, Tasha La Doux 2007-9-6 8704 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UCR21345  Artemisia ludoviciana subsp. incompta Frank C. Vasek 1966-9-5 660905- 06 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  UC29715  Artemisia tridentata Dr. D. P. Barrows 1898-1 59 Riverside Comment
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Jul 16 2012
  RSA741742  Artemisia tridentata subsp. tridentata Michael Wall 2008-11-14 497 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  CAS-BOT-BC222818  Asclepias albicans Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13262 Riverside U. S. gypsum mine property in Little Maria Mts., 2 miles above Midland Post Office Comment
  CAS-BOT-BC222820  Asclepias albicans H. M. Hall 1905-5-1 6025 Riverside Colorado Desert. Pinto Mts. Comment
  UCR59749  Asclepias californica Steve Boyd, T. Ross, et al 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  RSA500546  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3617 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  CAS-BOT-BC65781  Aspidotis californica Munz; Harwood 1920-2-28 3236 Riverside 2 mi S.E. of Corona 274 Comment
  SEINET175012 Image available Aspidotis californica F. M. Reed 1920-4-20 5829 Riverside Summit of grade between Pala and Temecula. 914 Comment
  UCR25365  Asplenium vespertinum John C. Roos 1952-4-16 5548 Riverside Damp canyon off Reche Canyon. 518 Comment
  RSA23110  Astragalus aridus I. L. Wiggins 1938-3-19 8901 -A Riverside 25 miles W of Blythe. Comment
  RSA0123085  Astragalus coccineus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8968 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SD119933  Astragalus coccineus Louis B. Ziegler 1969-4-10 337 Riverside Pinyon Flats; San Jacinto Mountains. 1250 Comment
  UCR94623  Astragalus coccineus Jeri Hirshberg 1995-5-30 s.n. Riverside San Jacinto Mtns, Pinyon Flats area, north of Ribbonwood Drive, 0.5 mi. NW of turnoff to Alpine Village. Comment
  RSA85081  Astragalus didymocarpus J. C. Roos 1952-4-30 5607 Riverside Hills between Camp Haan and Riverside 518 Comment
  UCSB37855  Astragalus douglasii Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T6S, R3E, W1/2, Sec.28 2072 Comment
  SEINET948243  Astragalus douglasii var. parishii H. S. Gentry 1962-1 19742 Riverside Ca. 4 mi. NE of Murrieta, along Los Alamos Road. 396 Comment
  UC14752  Astragalus douglasii var. parishii H. M. Hall June, 1901 2123 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); eastern base San Jacinto Mountains, Colorado Desert Comment
  CAS-BOT-BC228850  Astragalus gambelianus A. C. Sanders; T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range: south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR174463  Astragalus gambelianus A. C. Sanders 2006-5-19 32380 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR228835  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  SDSU7936  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1975 Riverside 3 miles west of Blythe. 91 Comment
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Oct 12 2011
  RSA0037331  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  RSA90167  Astragalus lentiginosus var. coachellae F. W. Peirson 1920-12-29 585 Riverside Whitewater, at head of Coachella Valley. Comment
  UCR16257  Astragalus lentiginosus var. coachellae Linda Stangor 1974-4-18 s.n. Riverside Sonoran (Colorado) Desert, Windy Point, south side of point, Coachella Valley 320 Comment
  CAS-BOT-BC178060  Astragalus nuttallianus S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC178069  Astragalus nuttallianus Peter H. Raven 1958-5-5 12897 Riverside West of Split Rock Tank, Joshua Tree National Monument Comment
  UCR109472  Astragalus nuttallianus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR58485  Astragalus pachypus var. jaegeri Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  CHSC835  Astragalus palmeri V. Holt 1942-3-28 Riverside Santa Rosa mountains. 609 Comment
  POM47792  Astragalus palmeri Mary F. Spencer 1918-3-4 743 Riverside Palm Springs. 137 Comment
  UCR243516  Astragalus palmeri Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21074 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  SEINET10943732  Astragalus palmeri Charles L. Hitchcock 1940-4-4 Hitchcock 5945 Riverside Pinto Basin. Sandy wash. Comment
  RSA198946  Astragalus pomonensis R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37418 Riverside Santa Ana Mountains, Rancho California, Santa Rosa Plateau 609 Comment
  RSA415656  Astragalus pomonensis T. W. Minthorn 1926-5-13 s.n Riverside Elsinore. Comment
  UCR126375  Astragalus pomonensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 683 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA779954  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2628 Riverside In a side canyon off of the West Fork of Mission Creek approximately 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek. 944 Comment
  CAS-BOT-BC27727  Astragalus vaseyi var. johnstonii Philip Alexander Munz; Ivan Murray Johnston 1922-5-7 5271 Riverside Keyes Ranch, Little San Bernardino Mts. 1066 Comment
  RSA692513  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  POM13789  Athysanus pusillus P. A. Munz 1922-4-29 5136 Riverside Tucalota Creek, S of Hemet Comment
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Sep 17 2011
  SEINET4073000  Athysanus pusillus O. M. Clark 1929-1 1945 Riverside South Hemet, southern California. Comment
  CLARK-A1656-677  Atrichoseris platyphylla Milton Walker 1978-3-23 Riverside Mecca 269 Comment
  JOTR34391  Atrichoseris platyphylla Andre, Jim 2012-4-16 20918 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  SBBG15833  Atrichoseris platyphylla D. Graney 1953-3-23 131 Riverside ca. 11 mi E of Indio Comment
  UC70077  Atrichoseris platyphylla E. E. Schellenger 1905-4-1 Riverside Santa Maria Mts Colorado Desert, Santa Maria Mts. Comment
  UCR111990  Atrichoseris platyphylla A. C. Sanders, T. B. Salvato 2000-4-27 23371 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  RSA617983A  Atriplex argentea var. mohavensis R. E. Riefner 1997-10-15 97 -348 Riverside Lake Elsinore area: Elsinore trough betwen Willard and Murrieta Creek Comment
  SEINET3930040  Atriplex argentea var. mohavensis Steve Boyd 1986-4-19 1721 Riverside temescal Canyon: warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd.; 0 Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA314407  Atriplex canescens subsp. canescens R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 s.n. Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  CLARK-A1528-395  Atriplex canescens subsp. linearis Frank C. Vasek 1969-10-14 Riverside Riverside Comment
  RSA157775  Atriplex canescens var. laciniata Lawrence T. McHargue 1962-10-6 s.n. Riverside Thousand Palms Oasis. 168 Comment
  SEINET4133774  Atriplex elegans var. elegans N. Duane Atwood 1991-9-6 17073 Riverside 4 mi E of Beaumont along I-10.; 0 Comment
  CAS-BOT-BC158104  Atriplex hymenelytra 0065 Riverside Base of Coxcomb Mts., mile 10.00 Hwy from Desert Center to Rice Comment
  RSA65388  Atriplex hymenelytra F. W. Peirson 1926-2-22 6502 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  SD48525  Atriplex lentiformis E. K. Balls, P. C. Everett 1957-11-5 22758 Riverside South of Thermal, State Highway 111. 29 Comment
  UCR163798  Atriplex lentiformis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  UC1136296  Atriplex lentiformis subsp. lentiformis R. St. John 1931-4-21 208 Riverside Mockingbird Canyon Corona Quad., Mockingbird Canyon Comment
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Apr 2 2011
  UC415724  Atriplex lindleyi unknown 1900-7-16 Riverside Temecula Comment
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Aug 8 2010
  RSA735905  Atriplex prostrata Scott D. White, Justin Wood 2008-6-24 12287 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  SBBG119922  Atriplex prostrata O. F. Clarke 1970-9-24 Riverside Santa Ana River bottom just E of the old Salt Lake Railroad bridge 216 Comment
  UCR261155  Atriplex serenana var. serenana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41721 Riverside Esinore, large vacant lot south of the intersection of 3rd St. and Pasadena St. 387 Comment
  RSA737104  Atriplex suberecta Justin M. Wood 2008-10-29 207 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UCR101392  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-9-29 22247 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  CAS-BOT-BC146194  Avena barbata T. Winfield 1975-5-1 s.n. Riverside Cajalco Road - 1 mile west of Lake Matthews Dam. Comment
  RSA342555  Avena barbata R. F. Thorne, C. W. Tilforth 1980-5-28 54211 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA757728  Avena barbata LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4355 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR23926  Avena barbata John C. Roos, L. Roos 1950-4-15 4738 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  UCR92089  Avena barbata Scott D. White 1995-3-30 2685 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  RSA586491  Avena fatua D. L. Banks, Steve Boyd 1995-5-9 321 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  SD144502  Avena sativa A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20649 Riverside San Jacinto Mtns: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Rd (McMullen Flat), N slope of peak 3740. 1067 Comment
  POM905  Azolla filiculoides Philip A. Munz 1918-4-27 2160 Riverside Murietta, on water Comment
  RSA0104436  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-28 7672 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  CAS-BOT-BC106741  Baccharis salicifolia S. B. Parish 1912-6-27 8127 Riverside Alkaline flats at Mecca Comment
  POM50389  Baccharis salicifolia W. W. Eggleston 1924-3-10 19541 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA5606  Baccharis salicifolia C. B. Wolf 1932-10-11 4273 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR225725  Baccharis salicina A. C. Sanders, T. B. Salvato 2011-3-30 38902 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR91631  Baccharis sarothroides D. L. Banks, Steve Boyd 1995-10-17 0780 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  UC1922866  Baccharis sergiloides Robert F. Thorne 1966-10-15 41819 Riverside DEAD INDIAN CANYON: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  CAS-BOT-BC295906  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  RSA5361  Bahiopsis parishii B. D. Stark 1932-6-15 1525 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  UCR60791  Baileya pauciradiata Steve Boyd, O. Mistretta 1986-3-13 1404 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UCR110429  Bassia hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23130 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  POM350773  Bebbia juncea Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM350778  Bebbia juncea Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  RSA20294  Bebbia juncea Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mile below Cottonwood Springs Comment
  RSA793531  Bebbia juncea Naomi Fraga, David Fraker, Thomas Stoughton 2012-3-15 3947 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  RSA92402  Bebbia juncea F. W. Peirson 1924-6-21 4756 Riverside Temescal Canyon, near Elsinore 305 Comment
  SD241735  Bebbia juncea var. aspera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake Street, c. 1.0 mile NNE (04a^z) of intersection of I-15 and Lake Street (Alberhill 7.5'Q) 484 Comment
  UCR244893  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  CSUSB3  Beloperone californica Margaret-Lee Dean 1965-3-7 S. N. Riverside Palm Desert 3 miles south of Palm Desert on Pines to Palms Highway, on roadside 121 Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  RSA7461  Berberis dictyota C. B. Wolf 1933-8-24 S.N. Riverside 1/2 mi. below summit of Bedford Motorwaym last slope of the Santa Ana Mts. 976 Comment
  UCR18763  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 488 Comment
  CAS-BOT-BC505214  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basic Region; San Jacinto Valley: San Jacinto Wildlife Area, E of old San Jacinto River channel, margin of flooded ponds 433 Comment
  RSA356886  Bernardia incana R. F. Thorne 1966-10-15 41798 Riverside Palm Springs. Comment
  NY43196  Bernardia myricifolia J. B. Walker 1995-5-3 1405 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  UCR16047  Bloomeria crocea var. crocea K. Stolte 1978-5-12 s.n. Riverside 1 mi south of the junction of Hwy 60 and Central Ave., c. 200 m east of Central Ave. in Riverside Comment
  UC472853  Boechera perennans Mary Fiske Spencer 1924-6-17 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  RSA670151  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside San Jacinto, behind post office, 288 E. Main St. Comment
  SD1480  Boerhavia coccinea Fidella G. Woodcock 1928-4-27 Riverside Camp Grounds, Idyllwild, San Jacinto Mountains Comment
  UCD98029  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto. Comment
  CAS-BOT-BC434531  Boerhavia intermedia F. H. Lewis 1939-10-23 1043 Riverside Pines to Palms Hiway, Colorado Desert 304 Comment
  JOTR30069  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA0076344  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA518305  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  SBBG1879  Boerhavia wrightii H. and M. Dearing 1930-1-1 4061 Riverside Painted Cyn near Mecca Comment
  UCR233938  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR242288  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40421 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA0062783  Bouteloua aristidoides Duncan S. Bell, Evan Meyer 2014-10-22 7657 Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  RSA575738  Bouteloua aristidoides S. J. Darbyshire, J. Cayouette 1994-9-17 4637 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  UCR60926  Bouteloua aristidoides Steve Boyd, Orlando Mistretta 1986-3-13 1421 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UC2026427  Bouteloua aristidoides var. aristidoides Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10047 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA675740  Bouteloua barbata Scott D. White, W. LaHaye 2001-4-28 8430 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  SEINET3920386  Bouteloua barbata Sears 1977-10-13 S 606 Riverside Wiley's Well exit off Interstate 10 near Playa Lake.; 0 122 Comment
  UC406749  Bouteloua barbata var. barbata Marcus E. Jones, A. M. 1929-9-16 24716 Riverside near Desert Center; Hayfields Comment
  UCR107733  Bouteloua curtipendula John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR92235  Bowlesia incana D. L. Banks, Steve Boyd 1995-3-16 0103 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove. 610 Comment
  JOTR36016  Brandegea bigelovii Harding, Mitzi, T. Herskovits 2012-3-16 223 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA20225  Brandegea bigelovii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi. from Cottonwood Springs, N end of Pinto Basin Comment
  RSA27506  Brandegea bigelovii I. L. Wiggins 1941-3-26 s.n. Riverside Along wash at Wiley Well. Comment
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Sep 19 2012
  RSA784727  Brandegea bigelovii Duncan S. Bell 2012-3-18 3194 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SEINET3082942 Image available Brandegea bigelovii Barbara Gayle Pitzer 1998-1-24 3390 Riverside Sonoran (Colorado) Desert; N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR264210  Brandegea bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41880 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, south of Bradshaw Trail at major wash that crosses a dirt side road into the range 726 Comment
  SEINET10481266  Brassica incana David B. Dunn 1948-6-18 Dunn 3834 Riverside Planted along hwy near Cabazon. Along roadside. Comment
  UC56980  Brassica rapa H. M. Hall 1902-4-4 2959 Riverside vicinity of Riverside; Southern California 243 Comment
  CLARK-A1703-1189  Brassica tournefortii Charles S. Papp 1964-5-22 469 Riverside Riverside Comment
  UCD114634  Brassica tournefortii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2723 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  UCR165821  Brassica tournefortii John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCD129619  Brickellia atractyloides var. arguta J. C. Roos 1948-5-1 3813 Riverside Whitewater. 1066 Comment
  RSA89870  Brickellia desertorum J. C. Roos 1950-9-30 4996 Riverside Box Springs Grade 0.5 mile SE of Citrus Experiment Station Riverside. 396 Comment
  SBBG96025  Brickellia desertorum O. F. Clarke 1969-10-8 Riverside UC Riverside, S side of campus Comment
  UCR89539  Brickellia desertorum Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  RSA507463  Brickellia oblongifolia var. linifolia Kathy Harper 1988-5-14 s.n. Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74. Comment
  UCSB30515  Briza minor Schroeder, Gail 1976-5-17 Riverside W side of Rancho Mirage Elementary School, in area of drainage from faucet on wall; Rancho Mirage Comment
  UCR217654  Brodiaea filifolia Karyn L. Drennen, Ana Hernandez 2010-5-12 013 Riverside Santa Ana Mountains foothills, Santa Rosa Plateau, south edge of Mesa de Colorado, 760 m east-southeast of Via Volcano/Avocado Mesa Road intersection, 250 m east of Via Volcano, 50 m north of dirt road 627 Comment
  RSA27411  Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
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Sep 11 2011
  UCR2209  Bromus carinatus F. M. Reed 1906-3-21 928 Riverside Roadside in Riverside Comment
  JOTR31035  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA618392  Bromus diandrus D. L. Banks 1997-5-5 1971 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET271857 Image available Bromus diandrus Scott D. White, Shelton Dowthit; Conserv. voluntee 1996-3-31 3847 Riverside LK Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mile south of the reservoir, near East Benton Road. USGS Bachelor Mtn. 7 1/2' topo map 518 Comment
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SEINET954734  Bromus hordeaceus A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-1 26119 Riverside Western San Gariel Mtns.: Cataic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UCR174030  Bromus hordeaceus A. C. Sanders 2006-5-19 32463 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  JOTR16774  Bromus madritensis subsp. rubens Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA0012204  Bromus pseudolaevipes Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1047 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA612783  Bromus rubens D. L. Banks, Victor Steinmann 1997-3-13 1419 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA314627  Bromus rubens R. F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55423 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA771123  Bromus tectorum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5004 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  UCR241252  Bromus tectorum T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1206 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  POM363984  Bromus tectorum N. C. Cooper 1944-4-22 1147 Riverside Banning. 732 Comment
  UC1929343  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  JEPS54870  Caesalpinia virgata Marjorie Clary 1931-4-4 16 Riverside Coachella Valley, Coachella, Coral Reef Ranch Comment
  UCR18980  Caesalpinia virgata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  SBBG120003  Calandrinia menziesii A. C. Sanders, K. Volansky 2005-3-17 29238 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR118453  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region, between Pedley and Mira Loma, Sims property at NE corner of Limonite Ave. and Bain St. 210 Comment
  RSA198959  Callitriche marginata R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37451 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  UCR104625  Callitriche marginata D. E. Bramlet 1992-4-3 2206 Riverside 7.3 km SW of Hemet, 30 m east of California Ave and 108 m north of the AT & SF railroad tracks, NE of the intersection of California Ave. and Marvin Hull Road and 305 m west of the MWD Canal Comment
  RSA651265  Calochortus Russell S. Woglum 1937-5-22 590 a Riverside Santa Rosa Mts. road to peak about halfway up. 1219 Comment
  CSUSB393  Calochortus albus Bill Marks 1971-5-16 Riverside Santa Ana Mountains Found in Santa Ana Mountains, Rancho California area near De Luz. Growing on the roadside. Comment
  RSA588180  Calochortus concolor Darin L. Banks, Steve Boyd 1995-6-27 737 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Crosley Road, S of the Cutca Road junction; Approximately 1/8 mile S of the junction between the Cutca and Crosley Roads. 792 Comment
  RSA377365  Calochortus invenustus M. B. Dunkle 1933-7-20 3717 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA5545  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  RSA679166  Calochortus invenustus Fred M. Roberts 2003-6-25 5935 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  UC3393  Calochortus invenustus H. M. Hall Jul 1901 2475 Riverside Tauquitz Valley San Jacinto Mountains 2712 Comment
  UC729899  Calochortus invenustus Carl B. Wolf 1932-8-5 Riverside on trail from Tahquitz Valley to San Jacinto Peak (fork of Tahquitz Creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  UCR119822  Calochortus plummerae Mitch Provance 1998-6-24 750 Riverside Jurupa Mountains, Glen Avon Heights, area north of the end of Lindsay St. 253 Comment
  RSA586800  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR155823  Calochortus splendens John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR297  Calochortus splendens Frank C. Vasek 1955-5-14 228 Riverside Peninsular Range, [Wolf Valley], 8 miles north of Pala on S16 366 Comment
  RSA674535  Calochortus weedii var. intermedius Scott D. White, Brian Leatherman 2000-6-1 7994 Riverside Steep slopes directly south of Oak Av. and Lincoln Av., just east of Hagador Cyn. 381 Comment
  GMDRC2050  Calycoseris parryi J. Andre 2006-4-26 6768 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  JOTR30119  Calyptridium monandrum La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1685 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  UCR3480  Calyptridium monandrum Jan Lockwood 1964-3-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; off Dillon Road about 3 miles northeast of the town of Indio, about 500 yards west of the road -7 Comment
  RSA282929  Calyptridium parryi C. W. Tilforth, B. Busenberg 1980-6-17 2016 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
  UCR180058  Calystegia macrostegia Mitch Provance 2005-5-18 9817 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR260864  Calystegia macrostegia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41466 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR97460  Calystegia macrostegia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19887 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA394917  Calystegia macrostegia subsp. tenuifolia M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek, Aguanga. Comment
  RSA413243  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. 350 Comment
  RSA500998  Calystegia macrostegia subsp. tenuifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3117 Riverside Vail Lake area, ridge-top of volcanic substrate, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  SDSU14020  Calystegia macrostegia subsp. tenuifolia Dinna Estrella, M. G. Simpson 2002-4-20 22 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 339 Comment
  UCR273979  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 13 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  CAS-BOT-BC199285  Calystegia sepium subsp. limnophila J. C. Roos; A. R. Roos 1950-8-7 4919 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UCR132614  Camissonia Kent Beaman 1983-4-24 31 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  POM66476  Camissonia arenaria Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
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Mar 27 2010
  RSA716824  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25839 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR174163  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32640 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA793460  Camissonia cardiophylla Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4374 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  JOTR31925  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2167 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  POM159460  Camissonia claviformis subsp. aurantiaca C. L. Hitchcock 1928-3-17 s.n. Riverside Thousand Palms. Comment
  POM265109  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1937-3-9 8759 Riverside 5 miles west of Shaver's Well. Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  SEINET7042773  Camissonia graciliflora W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA585511  Camissonia hirtella D. L. Banks, Steve D. Boyd 1995-5-9 372 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UCR45967  Camissonia hirtella R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60623 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  UCR50297  Camissonia hirtella B. G. Pitzer, Et al. 1987-5-23 0566 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  RSA500993  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3112 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  UCR121687  Camissonia ignota D. E. Bramlet 1991-5-9 2137 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  RSA741174  Camissonia intermedia Scott D. White, Justin M. Wood 2008-6-18 12208 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA448993  Camissonia pallida N. R. Zabriskie, Walter Zabriskie 1973-4-25 646 Riverside Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. (site 22) 915 Comment
  RSA454105  Camissonia strigulosa N. C. Cooper 1945-5-24 1644 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC50469  Camissoniopsis bistorta H. M. Hall Apr. 1903 3723 Riverside Vicinity of Riverside 396 Comment
  UC20499  Camissoniopsis ignota W. H. Brewer Feb 1861 155 Riverside se from mines (center of mt. range); Temescal Range Comment
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Mar 12 2011
  UC1595627  Camissoniopsis micrantha Steve Boyd and Dave Bramlet 1991-5-13 6256 Riverside ese Winchester (vicinity of ultramafic outcrop on ridge top s of s-end of Warren Rd); Domenigoni Hills, N side of Domenigoni-Diamond Valleys 548 Comment
  UCR261414  Camissoniopsis pallida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41439 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  JEPS33743  Camissoniopsis pallida subsp. pallida Marjorie D. Clary 1932-4-4 1531 Riverside nw Indio; Colorado Desert, Deep Canyon 91 Comment
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Nov 1 2011
  UC1122273  Camissoniopsis pallida subsp. pallida H. S. Yates 1936-4-7 5429 Riverside near Whitewater; San Jacinto Quadrangle Comment
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Dec 15 2011
  UCR272456  Camissoniopsis pallida subsp. pallida Cheryl Sevilla, Sarah J. De Groot 2015-2-18 015 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  RSA364634  Carex fracta M. B. Dunkle 1933-7-19 3682 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  UC472736  Carex fracta Mary Fiske Spencer 1919-6-19 Riverside Idyllwild 1615 Comment
  UCR208190  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Peninsular Range; Santa Ana Mtns. Region, Murrieta 305 Comment
  CAS-BOT-BC117865  Carex sartwelliana S. Parish 1892-1-1 s.n. Riverside San Jacinto Mountains. Comment
  CDA2827  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley; Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development Comment
  UCD105617  Cassia nemophila A. C. Sanders; K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. 10 Comment
  UCR41641  Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6041 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA425879  Castilleja affinis I. W. Clokey, C. B. Clokey, Bonnie C. Templeton 1930-4-15 449 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  RSA0010962  Castilleja applegatei subsp. martinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 636 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0010921  Castilleja densiflora subsp. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade. 762 Comment
  SEINET6985158  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and about 5 miles southeast of Lake Matthews. Comment
  CLARK-A1528-4176  Castilleja foliolosa E. W. Lathrop 1966-3-2 Riverside 853 Comment
  UCR100096  Castilleja foliolosa R. G. Swinney 1967-3-5 0671 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR180588  Castilleja foliolosa Scott D. White, Angelia Carey 2004-4-5 9985 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SDSU17676  Castilleja subinclusa subsp. subinclusa Jerry Jenkins 2001-4-1 2001 -025 Riverside Santa Margarita Ecological Reserve. Side road going south from mine road, UTM zone 6, 482550E, 3699900N. Comment
  OBI29878  Caulanthus hallii Melissa Luckow, Rhonda Riggins 1982-4-15 823 Riverside Pinyon Pass Rd, 0.1m I NW of hwy 74 1006 Comment
  RSA429530  Caulanthus heterophyllus Ora M. Clark 1929-3-16 1725 Riverside N. of Whitewater Comment
  UCR127574  Caulanthus heterophyllus D. E. Bramlet 2003-4-18 3372 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR250880  Caulanthus heterophyllus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1045 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR60251  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3165 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCSB9774  Caulanthus heterophyllus Haller, John 1957-3-23 Riverside Morongo wash, ca. 4.5 road miles N of U.S. 99 and 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  UCR68472  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3844 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  LA41990  Ceanothus crassifolius B. Lewis; 1939-3-11 sn Riverside Reche Canyon 457 Comment
  POM10283  Ceanothus crassifolius E. A. Zumbro 1892-03 401 Riverside Cold Water Canyon, Temescal Mts. Comment
  RSA398900  Ceanothus crassifolius H. M. Hall 1897-4-10 356 Riverside Winchester Comment
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Mar 12 2011
  SEINET238728  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area: Black Mtn. along road up north side (Bachelor Mtn.) 884 Comment
  SBBG87982  Ceanothus crassifolius var. crassifolius L. F. LaPre 1988-1-8 2149 Riverside Mesa de Burro, Santa Rosa Plateau 609 Comment
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  RSA77146  Ceanothus greggii var. perplexans F. W. Peirson 1918-03 728 Riverside Jack Rabbit Grade, from Moreno to Beaumont Comment
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Mar 20 2011
  POM17814  Ceanothus leucodermis P. A. Munz, D. D. Keck 1923-6-14 7090 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  POM305369  Ceanothus leucodermis Henry J. Ramsey 1938-3-26 649 Riverside Temecula. Comment
  UC1930018  Ceanothus leucodermis Scott D. White, Justin Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCSB3915  Ceanothus leucodermis Kamb, Peter 1946-4-27 Riverside Banning- IdyllwiId Road near Barton Lookout, San Jacinto Mountains 1066 Comment
  RSA0019588  Ceanothus oliganthus var. oliganthus Elbert Benjamine 1929-4-7 127 Riverside San Gorgonio Pass, southern California. Comment
  SD138815  Ceanothus ophiochilus Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 Comment
  RSA399915  Ceanothus palmeri N. C. Cooper 1949-6-29 4348 Riverside Pine Cove. 1829 Comment
  UC1071223  Ceanothus papillosus A. Lewis Mar 1934 355 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quad. Comment
  LA44919  Ceanothus perplexans Carl Epling; 1927-3-27 sn Riverside Jackrabbit Trail, near Beaumont Comment
  UCSB39074  Ceanothus perplexans Jorgensen, Jan 1982-2-19 Riverside 3 kilometers up highway 243 from Interstate 10, Banning. San Jacinto mountains. 1000 Comment
  SEINET13946084 Image available Ceanothus sorediatus Dave Hawks 1987-1 s.n. Riverside S. of Hemet, intersection of Palm Ave. and Saddle Ridge Trail. 472 Comment
  SBBG128619  Ceanothus vestitus T. Tennant, J. Ross 1998-4-9 MOR- 1012 Riverside Morongo Indian Reservation, Wood Cyn, E of upper Potrero Cyn 1305 Comment
  RSA6118  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
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Mar 13 2011
  CLARK-A1528-178  Centaurea cyanus Ted R. Turk 1971-5-16 Riverside 380 Comment
  RSA625694  Centaurea solstitialis J. A. Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley, near hwy 215 Comment
  RSA680488  Centaurium venustum Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9592 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  CAS-BOT-BC279121  Centromadia pungens subsp. laevis R. F. Hoover 1968-6-6 11150 Riverside 1 mile east of Perris Comment
  RSA683882  Centromadia pungens subsp. laevis Barry L. Jones 2003-5-29 s.n. Riverside USGS quad. For Wildomar & Lake Elsinore, Lake Elsinore area, just north of the intersection of Corydon Road & Grand road. Comment
  SD122987  Centromadia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Keith Rd., just east of the Bear Creek development golf course (mak 10/07) Comment
  UCR252806  Centromadia pungens subsp. laevis Rose Cook, Ana Hernandez 2013-4-12 005 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 172 meters west of San Diego aqueduct, Upper Salt Creek, Hemet 457 Comment
  CAS-BOT-BC354343  Centromadia pungens subsp. pungens R. E. Riefner, Jr. 2012-7-23 12 -321 Riverside City of Hemet, ca 100 yds N of W. Devonshire Ave. and Meyers St. 473 Comment
  RSA612485  Cerastium glomeratum D. L. Banks 1997-2-23 1332 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR59765  Cerastium glomeratum Steve Boyd 1989-3-31 3076 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  CDA26877  Cercidium floridum T. C. Fuller 1962-4-4 8001 Riverside Highway 99 [later renumbered Highway 86] to El Centro, 3.2 miles south of Oasis. 0 Comment
  LA47733  Cercocarpus betuloides Elizabeth McClintock; 1936-4-11 sn Riverside Ribbonwood, Pines to Palms Highway Comment
  RSA19719  Cercocarpus betuloides I. W. Clokey, E. G. Anderson 1935-4-16 6732 Riverside East of Hemet 600 Comment
  UCR87945  Cercocarpus betuloides A. C. Sanders, N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  POM187418  Cercocarpus ledifolius L. Crutcher 1933-8-22 4 Riverside Red Tahquitz, San Jacinto Mountains. Comment
  SD245306  Cereus A. C. Sanders 2010-5-31 38433 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Large Victorian residence. 257 Comment
  UCR207361  Cestrum O. F. Clarke 2002-11-24 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA343094  Chaenactis artemisiifolia R. F. Thorne 1985-5-18 60620 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA674959  Chaenactis artemisiifolia Scott D. White, Teresa Salvato 2001-6-8 8568 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UC894417  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1941-4-4 5948 a Riverside Pinto Basin Comment
  CAS-BOT-BC276935  Chaenactis fremontii Javier Penalosa 1963-4-10 2777 Riverside Deep Canyon, 3 miles S of Palm Desert 213 Comment
  RSA0123117  Chaenactis fremontii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9024 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA34531  Chaenactis fremontii N. C. Cooper 1944-4-8 1046 Riverside Andreas Canyon 457 Comment
  RSA773044  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5037 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  SD247580  Chaenactis fremontii J. Mark Porter, Leigh A. Johnson 1997-3-10 11464 Riverside Whitewater Canyon, ca. 1.0 mile north of Whitewater (along Interstate 10). 473 Comment
  UC1292310  Chaenactis fremontii C. L. Hitchcock and C. V. Muhlick 1964-3-22 23265 Riverside w end of Pinto Basin; Joshua Tree National Monument, Pinto Basin Comment
  UC1478689  Chaenactis fremontii Barry Prigge with L. Martinez 1978-3-23 2416 Riverside 1.2 mi e of Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UC64805  Chaenactis fremontii E. E. Schellenger 1904-4-10 76 Riverside bet. Whitewater and Banning; Colorado Desert Comment
  UCR100089  Chaenactis fremontii R. G. Swinney 1967-3-5 45 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR132502  Chaenactis fremontii Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UCR234802  Chaenactis fremontii Jim Andre, Glenn L. Clifton 2011-2-22 17475 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR84636  Chaenactis fremontii Scott D. White, S. Ogg 1994-4-21 1990 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM10493  Chaenactis parishii Charlotte M. Wilder 1909-7-14 971 Riverside Ridge along Strawberry Valley, near trail to Tahquitz Peak Comment
  RSA388777  Chaenactis parishii F. T. Sproul 1977-7-16 155 Riverside 1/2 way up trail to Garnet Pk. 1740 Comment
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Dec 3 2014
  JEPS8821  Chaenactis stevioides Lawrence Saylor 1935-3-25 204 Riverside 5 mi s of Cottonwood Springs Comment
  POM99022  Chaenactis stevioides var. stevioides E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  UCR20807  Chaetopappa aurea A. C. Sanders, Steve Boyd 1980-4-17 01341 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  JOTR31118  Chamaesyce albomarginata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2501 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  RSA621902  Chamaesyce albomarginata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3012 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  HSC8017  Chamaesyce micromera C. L. Hitchcock 1966-3-16 24214 Riverside Along Palms to Pines Hwy., 4 mi. S of Palm Desert Comment
  RSA645643  Chamaesyce parishii Scott D. White 1999-4-20 7279 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA0040027  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-4-2 6501 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0107850  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2009-3-30 166 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  UC303788  Chamaesyce polycarpa Ivan Johnston 1917-4-4 Riverside Palm Canyon 274 Comment
  UC56927  Chamaesyce polycarpa H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  RSA655094  Chamaesyce polycarpa var. polycarpa Scott D. White 2000-4-17 7653 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA125966  Cheilanthes covillei E. K. Balls, Percy C. Everett 1957-11-4 22752 Riverside Snow Creek, about Old Fish Hatchery, N base San Jacinto Mtns. 701 Comment
  UC1511338  Cheilanthes covillei Robert F. Thorne, Avi Shmida, and Robert Whittaker 1978-4-23 52069 Riverside Palms to Pines Hwy Comment
  UC399602  Cheilanthes covillei I. M. Johnston 1918-4-3 1830 Riverside San <Jaciento> Canyon; San <Jaciento> Mts 685 Comment
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Nov 20 2011
  POM8823  Cheilanthes newberryi I. M. Johnston 1920-5-8 2265 Riverside Box Springs Grade Comment
  RSA495802  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2911 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  CAS-BOT-BC68099  Cheilanthes parryi Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 350 Riverside Andreas Canyon watershed, desert side of San Jacinto Mountains 365 Comment
  RSA685805  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 349 Riverside Andreas Canyon watershed. 366 Comment
  UCD137393  Cheilanthes parryi L. S. Rose 1936-12-18 s.n. Riverside Colorado Desert, Tahquitz Canyon, Palm Springs. 243 Comment
  POM253821  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-4-24 2083 Riverside cliff side of canyon; gorge of Dry Morongo Creek. 640 Comment
  RSA125543  Chenopodium album var. stevensii R. Weatherby 1949-5-13 413 Riverside La Sierra district, Arlington 152 Comment
  RSA666522  Chenopodium berlandieri Mitch Provance 2000-8-24 2218 Riverside Jurupa Mountains: NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  UCR140733  Chenopodium californicum A. C. Sanders 2004-5-12 27869 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR154444  Chenopodium californicum A. C. Sanders, Mike Misenhelter 2005-6-15 30976 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  SD254595  Chenopodium missouriense Mitch Provance 2012-11-9 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mile SE of the intersection of Gernert Road and Watkins Drive (Riverside East 7.5'Q) 422 Comment
  RSA676093  Chenopodium murale Scott D. White 2001-4-12 8316 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA775917  Chenopodium murale Duncan S. Bell, Amanda Turek 2010-4-10 813 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR256762  Chenopodium murale T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7886 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA450976  Chenopodium murale Stephen M. Beckstrom-Sternberg 1985-9-10 1024 Riverside U.C.R. garden plots. Comment
  RSA751276  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCD169562  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills. 1580 Comment
  UCR113609  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23719 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  UCSB11470  Chilopsis linearis Dearing, Hugh; Dearing, Margaret 1940-6-7 Riverside 7 miles north of Palm Springs Comment
  CAS-BOT-BC518751  Chloris truncata R. E. Riefner, Jr. 2016-3-22 16 -69 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  RSA607337  Chorizanthe R. S. Woglum 1941-5-17 3050 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. . Comment
  JEPS57601  Chorizanthe brevicornu var. brevicornu E. E. Schellenger May 1920 Riverside e Mecca (Hayfields); Colorado Desert, e of Mecca Comment
  SEINET244669  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel. 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR11321  Chorizanthe coriacea Heather Johnston 1967-5-18 051867- 03 Riverside San Bernardino Valley, Reche Canyon, field opposite 7382 Reche Canyon Road 457 Comment
  RSA392690  Chorizanthe fimbriata var. fimbriata M. M. Thompson 1947-6-9 C 2068 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR209586  Chorizanthe parryi var. parryi Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR87624  Chorizanthe parryi var. parryi A. C. Sanders 1994-5-30 14609 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA561890  Chorizanthe procumbens Steve Boyd 1992-6-10 7639 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about ''Potrero Escondido'', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01), and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  JOTR33988  Chorizanthe rigida La Doux, Tasha, M. Harding 2010-4-7 2876 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM13609  Chorizanthe rigida E. C. Jaeger 1921-04 1136 Riverside Chuckawalla Bench. Comment
  RSA703746  Chorizanthe rigida LeRoy Gross 2005-3-3 1562 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC665799  Chorizanthe rigida Ira L. Wiggins 1941-3-24 9583 Riverside along eastern side Salton Sea (1 mi n Imperial County line); eastern side Salton Sea Comment
  UCR30160  Chorizanthe rigida A. C. Sanders 1983-4-24 3802 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  RSA735859  Chorizanthe staticoides Scott D. White, Justin M. Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  SEINET2049586 Image available Chrysanthemum carinatum Claudia Petrie 1988-4-1 Riverside State University, Grown in experimental fields at U.C. Riverside. Comment
  RSA660917  Chrysothamnus nauseosus Mitch Provance 1998-5-4 1716 Riverside Belltown area, 'gravel pits' just S of 26th St. and Hall Ave. 250 Comment
  POM13404  Chrysothamnus nauseosus subsp. bernardinus E. C. Jaeger 1922-8-25 1009 Riverside Long Valley, San Jacinto Mts. 2530 Comment
  POM259197  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1938-8-14 15386 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  POM80085  Chrysothamnus nauseosus subsp. bernardinus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM14740  Chrysothamnus paniculatus F. W. Peirson 1922-12-26 3331 Riverside Cabazon, San Gorgonio Pass Comment
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Mar 13 2011
  POM352017  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  RSA781915  Chrysothamnus paniculatus Duncan S. Bell 2010-5-1 895 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR269867  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42365 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UC218268  Chylismia cardiophylla subsp. cardiophylla P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4785 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mountains 457 Comment
  CAS-BOT-BC160602  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1937-4-6 8425 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  UC1184367  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11420 Riverside along US Hwy 99 8.6 mi w Thousand Palms turnoff Comment
  UC68523  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5805 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR161401  Cirsium occidentale var. californicum A. C. Sanders, Mike Misenhelter 2005-9-20 31673 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR174325  Clarkia epilobioides A. C. Sanders, T. B. Salvato 2006-6-2 33088 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  SD185274  Clarkia purpurea subsp. quadrivulnera T. B. Salvato, Kent Beaman 2005-5-16 765 Riverside San Jacinto Mountain Foothills: San Jacinto River East of Valle Vista, just downstream from the Forest Service boundary and North of CA Highway 74. (Blackburn Canyon 7.5' Q.) Old Clearing. in the wash woodland; a single dense colony. 548 Comment
  UC1928631  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Aydee Virgen 2004-4-13 10875 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR180053  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2005-5-18 9800 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UC73290  Clarkia similis M. F. Gilman 1904-1 23 Riverside Banning Comment
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Mar 13 2011
  UCR112821  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR97442  Claytonia parviflora subsp. parviflora A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19862 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR102834  Claytonia perfoliata subsp. mexicana A. C. Sanders 1997-4-3 20163 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR104934  Clematis lasiantha A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20675 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  POM188067  Clematis ligusticifolia L. Crutcher 1933-8-19 20 Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  CLARK-A1528-3853  Clematis pauciflora John C. Roos 1943-8-8 2700 Riverside San Jacinto Mountains Comment
  RSA701114  Clematis pauciflora M. Wall 1996-6-26 183 Riverside S of beaumont, 1.8 mi S of Fwy 10, canyons W of Hwy 79. Associated plants include: Adenostoma fasciculatum, Cercocarpus betuloides, Quercus berberidifolia, Prunus illicifolia, and Salvia mellifera. Comment
  UCR16741  Clematis pauciflora K. T. Seng 1966-3-27 660327- 15 Riverside 0.5 miles north corner of Wood and Roberts, about 4 miles from freeway 395, Woodcrest, Riverside 488 Comment
  RSA440814  Cleome isomeris H. de Forest, G. C. Johnston 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA0117419  Collinsia concolor B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  RSA0117438  Collinsia concolor G. R. Campbell 1951-5-30 16137 Riverside 9 miles west of Anza. 1067 Comment
  RSA192317  Collinsia heterophylla E. W. Lathrop 1965-5-9 5724 Riverside 6 miles W of Murrieta. Comment
  UCR24482  Collinsia heterophylla John C. Roos 1950-4-15 4733 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  UCR94077  Collinsia heterophylla Scott D. White, M. Jacobsmeyer 1996-4-20 3939 Riverside Elsinore Basin, Bundy Canyon, east of Lake Elsinore; c. 1 road mi. east of Bundy Canyon Rd exit from the Interstate Hwy 15 exit 451 Comment
  RSA0117360  Collinsia parryi A. C. Sanders 1994-5-30 14612 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  JEPS122477  Collomia grandiflora J. M. Andre 2012-6-15 30528 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  CAS-BOT-BC52500  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside North of Mecca-Blythe road, in canyons at southeastern end of Eagle Mts. Comment
  JOTR30263  Colubrina californica Leary, Pat 1987-5-21 3833 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  SBBG104075  Condea emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside within 0.5 mi of McCoy Spring; slopes below and to the south and cyn bottom 243 Comment
  RSA525317  Convolvulus simulans Steve Boyd, David Bramlet 1990-4-29 4471 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR140710  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region, Alberhill Mountain, former clay mine area c. 1 mile SE of Alberhill 439 Comment
  RSA5221  Corallorhiza maculata Carl B. Wolf 1932-8-5 3946 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  RSA0010999  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1430 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1388 Comment
  JOTR29613  Coreopsis bigelovii Andre, Jim 2006-4-26 6751 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  JOTR32156  Coreopsis californica var. californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2310 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side of canyon (Stop 5) Comment
  SD229080  Corethrogyne filaginifolia var. filaginifolia Dick Schwenkmeyer 2012-8-28 812 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR225436  Crassula connata A. C. Sanders, T. B. Salvato 2011-3-29 38880 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  RSA701544  Crassula tillaea Steve Boyd, Aydee Virgen 2004-4-13 10844 Riverside Elsinore Peak area, along trail heading from road up to communications towers towards ''Onion Hill'' to the southeast. 994 Comment
  POM48342  Crossosoma bigelovii E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  JOTR28933  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA70555  Croton californicus F. W. Peirson 1932-11-26 9661 Riverside Thousand Palms. 122 Comment
  UC410824  Croton californicus Mrs. A. F. Rhodda April 1929 Riverside Palm Springs Comment
  UCR169922  Croton californicus Scott D. White, Jennifer H. Jones 2005-4-21 10948 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR175366  Croton californicus Jim Andre 2006-4-26 6777 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  UCR192715  Croton californicus A. C. Sanders, Mike Misenhelter 2008-6-10 35447 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UCR275361  Croton californicus T. B. Salvato, Melissa Clemons 2005-6-9 1504 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  SEINET12141357  Croton californicus var. mohavensis I. W. Clokey 1935-1 6726 Riverside E of Mecca 200 Comment
  UCR18826  Croton setiger John C. Roos 1965-7-27 s.n. Riverside Elsinore Comment
  CAS-BOT-BC202497  Croton wigginsii Winfield 1975-4-27 2444 Riverside Snow Ck Rd ~3 mi from Hiway 111 Comment
  SD137960  Crypsis schoenoides Darin L. Banks, Steve Boyd 1995-10-17 806 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground, along the narrow benches where Arroyo Seco turns to the east just west of the Metasedimentary hills 1720 Comment
  UCR17542  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside San Jacinto River Valley, San Jacinto river bottomland 1.5 mi SE of Perris 427 Comment
  UCR281113  Crypsis vaginiflora Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517- 27 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR250128  Cryptantha A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of I-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. 317 Comment
  JOTR29579  Cryptantha angustifolia Andre, Jim 2006-4-6 6692 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  NY1154342  Cryptantha angustifolia N. H. Holmgren 1973-3-22 6468 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  POM368196  Cryptantha angustifolia N. C. Cooper 1949-4-8 3294 Riverside Desert Center. 610 Comment
  POM368207  Cryptantha angustifolia N. C. Cooper 1949-4-8 3268 Riverside Mecca Pass east of Indio. 610 Comment
  RSA676098  Cryptantha angustifolia Scott D. White 2001-4-3 8272 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA719046  Cryptantha angustifolia Michael Honer 2005-3-11 2054 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  RSA791929  Cryptantha angustifolia D. Silverman 2010-3-24 7823 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km southeast of Sidewinder Well, 2.7 km southwest of Palen Dunes Dr., 3.4 km north of interstate 10. 133 Comment
  SEINET10455849  Cryptantha angustifolia David B. Dunn 1946-2-22 Dunn 1959 Riverside Collected in mud flats dry, caked and split. All American Canal catch basin from desert washes. Oracopia Mts. NE of the Saltan Sea. Very arid country. Comment
  JOTR35391  Cryptantha barbigera Stoughton, Thomas, S. DeGroot, N. Fraga, D. Fraker, A. Sedgwick 2012-4-28 1509 Riverside Joshua Tree National Park. Coxcomb Mountains, SE Coxcombs, foothills 835 Comment
  SBBG63623  Cryptantha barbigera E. Rockwell -Jan-1926 32 Riverside near Palm Springs 138 Comment
  SBBG87819  Cryptantha barbigera A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6116 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UCR242120  Cryptantha barbigera Jim Andre 2011-2-9 15915 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR88115  Cryptantha barbigera A. C. Sanders, G. Nuhn 1995-4-20 16595 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  JOTR33979  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding 2010-4-7 2867 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  SDSU5392  Cryptantha barbigera var. barbigera H. Wedberg 1962-4-20 910 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR244863  Cryptantha barbigera var. barbigera Jim Andre 2012-3-19 21384 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  JOTR35504  Cryptantha barbigera var. fergusoniae La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3192 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  RSA14025  Cryptantha costata P. A. Munz, D. D. Keck 1922-4-14 4971 Riverside Indian Wells 107 Comment
  RSA712691  Cryptantha decipiens George K. Helmkamp 1984-5-2 D- 27 Riverside Big Morongo Canyon, 3 - 3.5 miles below the caretakers s house at the Big Morongo Preserve. 549 Comment
  RSA674971  Cryptantha intermedia Scott D. White, Teresa Salvato 2001-6-8 8580 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SD4198  Cryptantha intermedia Fidella G. Woodcock 1928-4-27 Riverside Base of San Jacinto Mountains near Hemet Comment
  UCR158498  Cryptantha intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30040 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR27193  Cryptantha intermedia Marlyce Myers 1980-4-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi NW of Perris 518 Comment
  RSA27454  Cryptantha maritima I. L. Wiggins 1941-3-24 9579 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UCR275516  Cryptantha maritima D. E. Bramlet 2010-3-1 4451 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR279418  Cryptantha maritima A. C. Sanders, Jim Malusa 2017-3-25 43019 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  POM305855B  Cryptantha micrantha Henry J. Ramsey 1938-4-23 1165 -B Riverside Santa Rosa Mtns. Comment
  RSA0080319  Cryptantha micrantha Sarah J. De Groot, Cheryl Sevilla 2015-2-24 s.n. Riverside Sand dunes along Blythe-Rice (Midland) Road, Rice Valley, south of Turtle Mountains, east of Arica Mountains, 1.9 miles south of Highway 62 and Rice. 234 Comment
  RSA789244  Cryptantha micrantha Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2418 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  CAS-BOT-BC520377  Cryptantha micrantha var. lepida Steve Boyd; Gary Wallace 2005-7-30 11639 Riverside Peninsular Ranges, San Jacinto Mountains region: San Jacinto Mtns State Park, Hidden Lake area, NE of Hidden Divide, SE of Long Valley, near head of Hidden Fork of Tahquitz Creek 2682 Comment
  UCR107819  Cryptantha micromeres D. L. Banks 1997-5-5 2012 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA771789  Cryptantha muricata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4883 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC1563133  Cryptantha muricata Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3162 Riverside just sw Vail Lake Area dam; Vail Lake Area 487 Comment
  SD4237  Cryptantha muricata var. jonesii Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountain: Idyllwild Comment
  UCR193359  Cryptantha nemaclada A. C. Sanders, Tim Thomas 2008-6-20 35550 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  JOTR30307  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1740 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  UCR268082  Cryptantha pterocarya Jim Andre 2012-4-11 20679 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  HSC79081  Cryptantha racemosa G. K. Helmkamp 1984-5-5 - 4 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  JOTR29434  Cryptantha racemosa La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1368 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  POM13261  Cryptantha racemosa E. C. Jaeger 1922-3-4 1109 Riverside Painted Canyon near Mecca. Comment
  RSA18946  Cryptantha racemosa Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9575 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA614832  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  SD143997  Cryptantha racemosa A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15814 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell. 550 Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  UC1007202  Cryptantha utahensis Philip A. Munz 1940-3-23 15718 Riverside 3 mi n Cottonwood Springs; Eagle Mt. 914 Comment
  SEINET7048197  Cucurbita foetidissima Steven R. Hill, Andrew C. Sanders 2001-5-4 33706 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  RSA713905  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. 550 Comment
  RSA545300  Cuscuta californica R. F. Thorne 1967-12 41890 Riverside Palm desert Comment
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Jun 16 2013
  SBBG35570  Cuscuta californica D. Myrick 1966-4-2 1330 Riverside Palms to Pines Hwy 74 ca. 3 mi W of Palm Desert Comment
  RSA789365  Cuscuta californica var. californica Aaron C. Sedgwick, David Fraker 2012-3-28 40 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA0080817  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17721 .1 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  UCSB18434  Cylindropuntia ganderi del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.3 miles S of junction with State Highway 111 914 Comment
  SEINET3004990  Cynanchum utahense G. Rink, M. Baker 2011-4-3 10418 Riverside Northwest of Blythe, east of the McCoy Mtns, small gullies in desert pavement 170 Comment
  RSA544300  Cynodon dactylon Steve Boyd 1991-7-13 6419 -B Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  UCR65293  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside Santa Ana River, Riverside, just downstream of the old city dump at W extension of Rubidoux Ave. Comment
  RSA630336  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  POM123345  Cyperus laevigatus Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  CHSC97910  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio Comment
  SD227680  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  UC729896  Cystopteris fragilis Carl B. Wolf 1932-8-5 3974 Riverside summit San Jacinto Peak; San Jacinto Mts 3293 Comment
  RSA404180  Dalea mollis N. C. Cooper 1949-4-8 3237 Riverside Mecca Pass east of Indio. 548 Comment
  RSA793415  Dalea mollis Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3958 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  SBBG68019  Dalea mollis unknown 1893-1 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  UCR139724  Dalea mollissima B. G. Pitzer 1989-4-15 1289 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Ridgeline Road, c. 0.5 km west of Gasline Road, 5.5 km (airline) SE of Tabaseca Tank 680 Comment
  RSA0018639  Dalea schottii C. P. Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Whittaker transect #W-217. 570 Comment
  SEINET10486090  Dalea spinosa Billy Joe Cox 1975-4-23 Cox 4160 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 70 Comment
  RSA718772  Dasyochloa pulchella Michael Honer, L. Hulse 2004-4-4 1929 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA91542  Dasyochloa pulchella F. W. Peirson 1928-3-10 7711 Riverside Small side canyon in which Hidden Spring is located, northeast of Mecca Comment
  RSA502504  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCD107685  Datisca glomerata Charles B. Fiker 1946-6-17 3601 Riverside San Mateo Canyon, Fallbrook. Comment
  UCR199562  Datisca glomerata Scott D. White 2004-4-26 10268 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA450078  Datura discolor J. C. Roos 1965-11-6 s.n. Riverside Colorado Desert, 26 miles west of Blythe. Comment
  SD123745  Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Residence of Ol. F. Clarke, 1012 Spruce St. 305 Comment
  UCSB8593  Datura wrightii Van Leeuwen, Henry 1957-4-13 Riverside Under bridge stream bed near US 60 near with Cal 195 Comment
  SEINET7062848  Daucus pusillus A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile west of Lake Elsinore. Railroad Canyon. UTM Zone 11, 464455mE, 3724990mN. (WGS84/NAD83). 393 Comment
  SBBG119935  Deinandra fasciculata C. McGaugh 2003-5-10 Riverside "Greenway site" along Tucalota Crk, ca. 1 mi W of Murrieta Hot Springs; French Valley 396 Comment
  RSA703250  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  RSA550040  Delphinium parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4667 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UC1929699  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CLARK-A1528-3858  Delphinium parishii subsp. parishii John C. Roos 1937-4-18 1368 Riverside Cabazon Comment
  UCR123823  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA0020483  Delphinium parishii subsp. parishii N. R. Zabriskie 1973-4-5 619 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  HSC85399  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  SD133019  Delphinium parryi Scott White 1991-5-13 91 95 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UC1031430  Delphinium parryi H. Lewis 1941-7-7 Riverside Lake Hemet Comment
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Mar 24 2011
  UC9162  Delphinium parryi subsp. parryi H. M. Hall June 1901 2171 Riverside In the Meadows of Thomas Valley 1371 Comment
  UCR281118  Delphinium patens subsp. montanum Mitch Provance 2017-5-10 517- 98 Riverside San Bernardino Mountains, Banning Canyon, along Banning Canyon Rd. (FS Route 2S01), S side of San Gorgonio River, 1 mile N of Roan Pk. 1277 Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  SEINET10476415  Dendromecon rigida David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20755 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi w at the lower edge of the coulter pines and near the chaparral. Decomp granite. Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC227229  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  SEINET12090136  Dicentra chrysantha C. W. Tilforth, Wisura, W. 1979-1 1923 Riverside 10.4 mi from north jct with Highway 74, S of Lake Hemet Comment
  UCR158262  Dichelostemma capitatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30117 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1528-4588  Digitaria sanguinalis John C. Roos 1937-8-17 2547 Riverside San Jacinto Comment
  SD137603  Diplacus clevelandii Darin L. Banks, Steve Boyd 1995-5-17 460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mointain., E of the dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco 658 Comment
  CAS-BOT-BC150869  Diplacus puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan Hills 457 Comment
  IRVC28533  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  RSA562484  Distichlis spicata Steve Boyd, Timothy S. Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  POM117761  Ditaxis lanceolata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  CAS-BOT-BC43634  Dithyrea californica J. H. Thomas 1949-2-28 49 Riverside Between Banning and Palm Springs, near Whitewater. Comment
  RSA79155  Dithyrea californica P. A. Munz 1952-5-2 16251 Riverside 2 miles west of Desert Hot Springs 183 Comment
  RSA359605  Dodecatheon clevelandii Steve Boyd 1986-3-9 1401 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash 366 Comment
  UCR25707  Dodecatheon clevelandii John C. Roos 1941-1-18 223 Riverside Plateau in Reche Canyon 610 Comment
  UCR60717  Dodecatheon clevelandii subsp. clevelandii K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 889 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR23186  Downingia bella Melody Lardner 1981-5-31 196 Riverside Santa Ana Mtns, Tenaja Rd., 2.5 mi from the corner of Calle Collina Rd. and Tenaja Rd., 0.5 mi east of Squaw Mtn 610 Comment
  SDSU21800  Downingia cuspidata Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3980 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC168143  Draba corrugata Dr. A. Davidson Riverside summit Mt. San Jacinto Comment
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Jul 5 2012
  UC219559  Draba corrugata var. saxosa P. A. Munz 1922-7-6 6021 Riverside bet Hidden Lake and Round Valley (San Jacinto Mts.); , bet Hidden Lake and Round Valley 2560 Comment
  RSA0102549  Draba cuneifolia Duncan S. Bell 2010-10-23 1989 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in the central section of the range to the west of Priest Mine. 420 Comment
  RSA709974  Draba cuneifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA451889  Drymocallis glandulosa var. glandulosa N. C. Cooper 1949-6-29 4347 Riverside Pine Cove Comment
  UC114421  Drymocallis lactea var. lactea A. W. Anthony 1895-7-9 Riverside San Jacinto Mountains 2590 Comment
  IRVC19379  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  POM12209  Dryopteris arguta P. A. Munz 1922-4-28 5037 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  RSA708016  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside Santa Ana Mountains: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  UC1922051  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside San Ana Mtns: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. Comment
  SD143941  Dudleya lanceolata Scott D. White 1997-5-25 5248 A Riverside Bautista Canyon: Hixon Trail between trailhead at Bautista Canyon Road and intermittent stream crossing. 790 Comment
  JOTR31093  Dudleya saxosa subsp. aloides La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2340 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  UC2059983  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 682 Riverside San Jacinto Mountains, Thomas Mountains, ca. 1/2 mi from Highway 74 on Ramona Trail. Comment
  RSA0016840  Dudleya saxosa subsp. aloides E. R. Blakley 1993-5-20 7658 Riverside Pinto Mountains, E of White Tank Campground, Joshua Tree National Monument. 762 Comment
  UCR281561  Dysphania ambrosioides Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 82 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  POM8382  Dyssodia porophylloides Mary F. Spencer 1918-4-8 510 Riverside Palm canyon. 183 Comment
  RSA94385  Dyssodia porophylloides F. W. Peirson 1919-4-14 1411 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  RSA0125225  Echinocereus engelmannii var. engelmannii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  UCR59234  Echinochloa crus-galli Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  RSA286814  Elatine brachysperma R. F. Thorne 1974-5-23 44678 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  UCSB69895  Elatine californica Thorne, Robert 1973-5-23 Riverside Santa Rosa Plateau - Mesa de Colorado 609 Comment
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  POM1375  Eleocharis geniculata I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  CAS-BOT-BC112740  Eleocharis geniculata Lewis Samuel Rose 1935-12-27 35704 Riverside Palm Canyon, Colorado Desert. 304 Comment
  UC1563126  Eleocharis montevidensis Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3548 Riverside just S of Vail Lake (pond and freshwater marsh in Kolb Creek) Comment
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  CAS-BOT-BC113300  Eleocharis parishii Samuel B. Parish 1907-4-22 6145 Riverside Western base of the Colorado desert, Palm Canyon. 200 Comment
  UC146053  Eleocharis quinqueflora Charlotte M. Wilder 1909-7-12 928 Riverside Round Valley San Jacinto Mountains 2743 Comment
  UCR207612  Eleusine indica O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  SD187318  Elymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside San Jacinto Mountain foorhills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UCR158135  Elymus glaucus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30082 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC206529  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2097 Riverside Slopes and benches of the south side - San Jacinto Mountains 1463 Comment
  UCR98898  Elymus glaucus subsp. glaucus Scott D. White 1996-8-16 4483 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  SD178092  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region; Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  UCR2376  Elymus triticoides F. M. Reed 1926-5-20 5372 Riverside Santa Ana Mtns., Santa Rosa Plateau, akaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, c. 7 mi. due west of Temecula] 625 Comment
  UCR244419  Emmenanthe penduliflora Jim Andre 2012-4-16 20914 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  SEINET12279716  Emmenanthe penduliflora H. M. Hall 1902-1 2986 Riverside vicinity of Riverside, in the Upper Sonoran Zone 457 Comment
  RSA775808  Encelia actoni Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 888 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  JOTR01255  Encelia actoni Cole, James E. 1941-6-7 852 Riverside Joshua Tree National Park. LOST HORSE PASS 1371 Comment
  RSA0048485  Encelia actoni Bruce Haines 1962-5-6 187 Riverside 10.6 miles southwest of California Highway 74 from junction art Palm Desert with California Highway 111. 975 Comment
  UCR23306  Encelia californica John C. Roos 1952-4-16 5557 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  RSA695714  Encelia farinosa Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  SBBG97296  Encelia farinosa Leota Davidson 1966-4-5 189 a Riverside ca. 2 mi beyond second intersection, Wiley Well Rd, off US Hwy 95, ca. 18 mi W of Blythe 243 Comment
  SD187348  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  POM356697  Encelia farinosa var. farinosa A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  JOTR30983  Encelia virginensis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1961 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  JEPS49119  Ephedra Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio (Carrizo Canyon); Colorado Desert, Carrizo Canyon 304 Comment
  LA6787  Ephedra aspera Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  POM14278  Ephedra californica Philip A. Munz, I. M. Johnston 1922-5-7 5286 Riverside Between Whitewater & Mission Creeks. Dry rocky mesa. 366 Comment
  SDSU18838  Ephedra californica Patrice Ashfield 1985-4-28 13 Riverside Anza Borego Desert State Park, in Horse Canyon, ca 42 km. N. of Borrego Springs via Coyote Canyon jeep trail. 914 Comment
  RSA0056204  Ephedra californica W. Marquart 1938-3-12 s.n. Riverside Mule Mountains south of Chuckawall Range. Comment
  SEINET5332412 Image available Ephedra clokeyi I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  RSA383801  Ephedra nevadensis M. B. Dunkle 1935-3-31 4444 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  CAS-BOT-BC171735  Epilobium canum subsp. latifolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC171747  Epilobium canum subsp. latifolium Lewis S. Rose 1935-12-18 35656 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert 182 Comment
  JOTR33119  Epilobium canum subsp. latifolium La Doux, Tasha, Mike Bell 2003-10-17 1602 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UC20667  Epilobium canum subsp. latifolium H. M. Hall 1897-7-17 694 Riverside Strawberry Creek San Jacinto Mountains 1676 Comment
  UCR3530  Epilobium ciliatum Frank C. Vasek 1964-6-24 640624- 01 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  UCR39542  Epilobium ciliatum A. C. Sanders 1980-8-23 1748 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM161203  Epilobium ciliatum subsp. glandulosum Ralph Hoffmann 1929-9-6 s.n. Riverside Granite ridges, San Jacinto Mountains. 2439 Comment
  RSA381719  Epipactis gigantea George Henry Grinnell 1923-5-26 s.n. Riverside Riverside. Comment
  UC472747  Epipactis gigantea M. F. Spencer 1922-6-23 33 Riverside near Idyllwild; Colorado Desert, San Jacinto Mt. Comment
  UC1931213  Equisetum arvense Scott D. White, Justin Wood 2008-7-8 12373 Riverside SAN JACINTO MTS: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. Comment
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  RSA543738  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA0108820  Eremalche rotundifolia Duncan S. Bell, Amanda Turek 2009-3-30 183 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR241714  Eremalche rotundifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 42 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA450313  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  JEPS31756  Eremothera refracta E. E. Schellenger April 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA0025895  Eremothera refracta Jim Andre 2013-3-4 23863 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  SD239835  Eremothera refracta Dave Silverman, Mark Bibbo 2010-3-31 7894 Riverside Southern McCoy Mountains, east bajada flank, 1.5 km west of Black Creek Road, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak. 177 Comment
  UCD170707  Eremothera refracta LeRoy Gross 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of campground. 548 Comment
  GMDRC6577  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  CAS-BOT-BC514307  Eriastrum densifolium subsp. austromontanum H. M. Hall 1901-7-1 2384 Riverside San Jacinto Mountains 1584 Comment
  CAS-BOT-BC514310  Eriastrum densifolium subsp. austromontanum G. B. Grant 1901-8-1 11429 Riverside San Jacinto Mountains: Strawberry Valley Comment
  CAS-BOT-BC514319  Eriastrum densifolium subsp. austromontanum Verne Grant; Alva Grant 1951-7-19 16088 Riverside San Jacinto Mts.: Along Idyllwild road just above Hwy 74 1219 Comment
  RSA0108909  Eriastrum densifolium subsp. austromontanum Albert J. Perkins 1916-9-3 s.n. Riverside Tahquitz Mt. [peak]. Comment
  LA106803  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  UCR189573  Eriastrum densifolium subsp. sanctorum Josh Koepke 2005-7-26 045 Riverside Santa Ana River, within Santa Ana River bed nearest the western edge, 0.1 miles north of Hwy 60 overpass 247 Comment
  UC1051493  Eriastrum diffusum subsp. coachellae Herbert L. Mason 1952-4-7 14214 Riverside Palm Springs Palm Canyon. Comment
  RSA0119709  Eriastrum diffusum subsp. coachellae H. L. Mason 1952-4-7 14214 Riverside Palm Canyon, Palm Springs. Comment
  SD28074  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mountains; Snow Creek Canyon, 1.0 mile below fish hatchery. 395 Comment
  RSA0043243  Eriastrum eremicum subsp. eremicum Michael Honer, L. Hulse 2004-4-2 1870 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  RSA0120686  Eriastrum harwoodii Duncan S. Bell 2010-4-2 728 Riverside Arica Mountains: on east side of mountain range between the mountains themselves and Rice Valley; approximately 3.2 air miles southwest of the ghost town of Rice on the west side of Midland road (Rice-Blythe rd.). 245 Comment
  SEINET4042279  Eriastrum sapphirinum C. Davidson 1975-1 2807 Riverside 4 miles south of Banning on Road R1 to Idyllwild. 1127 Comment
  RSA0122958  Eriastrum sapphirinum subsp. dasyanthum Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  SD187456  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 548 Comment
  RSA0121578  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-8 1044 Riverside Near Glen Ivy. 396 Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  RSA0122975  Eriastrum sapphirinum subsp. sapphirinum Mary F. Spencer 1921-7-14 s.n. Riverside Idyllwild, San Jacinto Mounatins. 1616 Comment
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA525431  Ericameria linearifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4540 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UC62913  Ericameria linearifolia H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Rosa Mt. Comment
  UC31193  Ericameria nauseosa var. bernardina H. M. Hall 1896-8-29 341 Riverside Round Valley side San Jacinto Mountains, Round Valley 2743 Comment
  POM10310  Ericameria palmeri var. pachylepis Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  UCR235074  Ericameria palmeri var. pachylepis A. C. Sanders, John F. Green 2012-6-1 40221 Riverside Peninsular Range; Santa Ana Mtns. Region, hills between I-15 and Temescal Canyon Rd., 0.22 km south (178 deg. ) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake 325 Comment
  RSA736780  Ericameria parishii Scott D. White, Angelia Carey 2004-7-2 10559 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA160568  Ericameria pinifolia J. D. Olmsted 1959-9-23 1008 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  RSA588677  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-26 0834 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary 713 Comment
  CAS-BOT-BC293301  Ericameria teretifolia Lewis S. Rose 1936-12-24 36815 Riverside San Jacinto Mts., Palms to Pines Highway. 24 mi. SW. of Indio 1066 Comment
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  CAS-BOT-BC294843  Erigeron breweri var. jacinteus Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt. 2499 Comment
  RSA692224  Erigeron divergens Scott D. White 2003-10-9 9825 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR187353  Erigeron divergens Naomi Fraga, Bryan Carey 2006-6-1 1689 Riverside Peninsular Ranges; San Jacinto Mountains region, near Morris Creek on a 4W drive trail, c. 0.5 mi SW of Tripp Meadow 1585 Comment
  RSA508340  Erigeron foliosus Ed LaRue 1989-5-28 s.n. Riverside 1.5 mi. NW Estelle Mountain, off Dawson Canyon Road; 1.5 mi. E. of Arcilla and 1.5 mi. SW of Monument Peak. 396 Comment
  UCR202018  Erigeron foliosus Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  JEPS41492  Erigeron foliosus var. foliosus Carl V. Meyer 1928-8-1 620 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1706 Comment
  UCR241453  Erigeron sumatrensis A. C. Sanders, Timothy W. Chumley 2013-3-28 40704 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west of Lake St. 378 Comment
  UCR93236  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  CAS-BOT-BC189076  Eriodictyon crassifolium D. A. Johansen; J. A. Ewan 1932-4-10 7091 Riverside About mouth of Tahquitz Canyon Comment
  CLARK-A1528-1144  Eriodictyon crassifolium Charles S. Papp 1941-5-10 813 Riverside San Jacinto Mountains Comment
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Jan 30 2016
  UCR230933  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Richard Camacho 2011-6-12 5490 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR241663  Eriodictyon trichocalyx T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 331 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  POM209904  Eriodictyon trichocalyx var. lanatum Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  RSA783129  Eriogonum J. D. Olmsted 1959-11-8 1083 Riverside Fish Fork between sixth and seventh falls 1418 Comment
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Jun 8 2013
  SD255836  Eriogonum Mitch Provance 2012-5-24 51201 Riverside San Gorgonio Pass: Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd, both N and S of W Wilson St (Beaumont 7.5'Q) 783 Comment
  JOTR32456  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2603 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  POM161538  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside Fuller's Mill. Comment
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Nov 11 2011
  POM254741  Eriogonum apiculatum P. A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2317 Comment
  SD155432  Eriogonum apiculatum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, above east-west primary fire road, below peak. Comment
  CAS-BOT-BC242801  Eriogonum davidsonii H. M. Hall 1901-6-1 2088 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  CDA22491  Eriogonum davidsonii A. C. Browne 1951-10-28 Riverside Aguanga. 0 Comment
  POM273443  Eriogonum davidsonii Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA783185  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 383 Riverside San Jacintos, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  UCR72235  Eriogonum deflexum Theo Glenn 1991-5-24 91- 132 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  RSA393270  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3315 Riverside Desert Center. 610 Comment
  RSA727604  Eriogonum deflexum var. rectum Naomi Fraga, Lisa Rojas 2005-2-10 1395 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  UCR114808  Eriogonum fasciculatum Mitch Provance 1998-2-6 21 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  SD247480  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-3-29 8026 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Debon Street, about 0.7 mile west of Murrieta Rd. and 4.4 mile southeast of Canyon Lake. 537 Comment
  RSA613164  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  SD187459  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. Lake Fulmor 548 Comment
  CAS-BOT-BC253494  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  UCR162622  Eriogonum gracile S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR214315  Eriogonum gracile A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38394 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA180301  Eriogonum gracile var. gracile E. W. Lathrop 1965-9-13 5413 Riverside 8 miles west of Murrieta. Comment
  POM153380  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11251 Riverside Temescal Canyon. Comment
  CAS-BOT-BC257571  Eriogonum inflatum Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UCR3240  Eriogonum inflatum R. G. Sullivan 1972-4-20 720420- 6 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater Canyon, 0.5 mi. north of Interstate 10 457 Comment
  UC61697  Eriogonum inflatum var. deflatum L. D. Copeland 1904-4-30 106 Riverside West Canyon, Palm Spring Comment
  UC849551  Eriogonum inflatum var. inflatum I. W. Clokey, B. C. Templeton 1930-4-9 4683 Riverside n Palm Springs; Colorado Desert 170 Comment
  RSA78727  Eriogonum maculatum P. A. Munz 1952-4-15 17344 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  CAS-BOT-BC270597  Eriogonum molestum James L. Reveal; C. Rose Broome 1987-6-27 6605 Riverside Along California Highway 243, 0.4 mile northwest of Lake Fulmor, about 13.8 miles northwest of Idyllwild, San Jacinto Mountains 1600 Comment
  RSA679189  Eriogonum nudum var. pauciflorum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1455 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  CAS-BOT-BC266939  Eriogonum parishii James L. Reveal; Barbara J. Ertter 1976-6-30 4568 Riverside Along dirt road to Santa Rosa Mountain at Santa Rosa Camp, about 8.5 miles southeast of California Highway 74, Santa Rosa Mountains 2164 Comment
  RSA160411  Eriogonum parishii J. D. Olmsted 1959-9-23 1001 Riverside N Fork San Jacinto River drainage area: Flat on NW side of Idyllwild Banning Rd. halfway up grade south of Dark Canyon Creek crossing 1799 Comment
  CLARK-A1528-3691  Eriogonum plumatella John C. Roos 1943-10-17 2743 Riverside Morongo Valley Comment
  RSA770788  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4528 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR133510  Eriogonum reniforme G. R. Ballmer 1998-4-25 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek in vicinity of Orocopia Mtns., junction of county roads S041 and SR211, c. 7 miles south of Red Cloud Mine Road 450 Comment
  CAS-BOT-BC268557  Eriogonum saxatile A. J. McClatchie 1893-6-28 147 Riverside Near Pasadena 1371 Comment
  JOTR32353  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  CAS-BOT-BC263509  Eriogonum thomasii E. A. McGregor 1917-3-18 790 Riverside 4 mi. up Painted Canyon Comment
  CAS-BOT-BC263517  Eriogonum thomasii H. M. Hall 1905-4-1 5812 Riverside 10 miles west of Coachella 152 Comment
  JEPS56267  Eriogonum thomasii W. L. Jepson 1928-4-23 12546 Riverside Shaver's Well Colorado Desert, Shaver's Well 152 Comment
  JOTR28938  Eriogonum thomasii La Doux, Tasha 2005-3-30 1174 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  PASA1496  Eriogonum thomasii 1926-2-21 Riverside Thousand Palms Comment
  POM122028  Eriogonum thomasii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA424963  Eriogonum thomasii N. C. Cooper 1949-4-8 3247 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  SEINET3088161 Image available Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. Comment
  SEINET4568270 Image available Eriogonum thomasii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2003-2-10 4584 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR148317  Eriogonum thomasii John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR166555  Eriogonum thomasii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10901 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCSB1534  Eriogonum thomasii Haller, John 1957-3-23 Riverside S. boundary of Joshua Tree Nat Mon; 4 air miles S. of Cottonwood sprs, & 1 mile N. of June with US 60 609 Comment
  RSA522267  Eriogonum thurberi Steve Boyd, Dave Bramlet, Harry Spilman 1989-4-30 3513 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UC1563138  Eriogonum thurberi Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside se Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek 487 Comment
  UC472772  Eriogonum thurberi M. F. Spencer 1919-5-10 177 Riverside Little Mt. near Cottonwood Spring; Colorado Desert, Little Mt. Comment
  UC668382  Eriogonum thurberi Annie M. Alexander and Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  UCR92748  Eriogonum thurberi A. C. Sanders 1994-7-27 15160 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  JOTR35361  Eriogonum trichopes Harding, Mitzi, M. Wheeler 2011-1-26 145 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  RSA682081  Eriogonum trichopes Scott D. White, Michael Honer 2003-4-30 9142 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCSB42148  Eriogonum wrightii Roos, John 1965-9-26 Riverside Palm Springs Station Comment
  HSC85328  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Gavilan Plateau, Gavilan Hills. south of Ida Leona Road 604 Comment
  SBBG28182  Eriogonum wrightii var. nodosum M. F. Gilman 1932-11-30 11 Riverside Whitewater Pt Comment
  SD48398  Eriogonum wrightii var. nodosum E. K. Balls, P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  UC1133262  Erioneuron pulchellum H. S. Yates 1937-3-24 6454 Riverside Deep Canyon Thermal Quadrangle Comment
  UC511896  Eriophyllum ambiguum var. paleaceum Frank W. Peirson 1933-4-13 10638 Riverside road from Deep Canyon to Idlewild 762 Comment
  UCR92389  Eriophyllum confertiflorum F. M. Reed 1926-5-15 5368 Riverside Peninsular Range, Foothills south of Menifee 579 Comment
  SBBG61084  Eriophyllum multicaule M. N. Ackley 1928-4-3 281 Riverside Clary's Cyn 213 Comment
  POM14090  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-13 4959 Riverside Eagle Mts, Colorado Desert. 213 Comment
  POM281156  Eriophyllum wallacei Ethel Rush 1951-4-12 168 Riverside Split Rocks Tank, Joshua Tree Natl. Mon. Little San Bernardino Mt. Range, Salton Sea Drainage Area. 1067 Comment
  POM294262  Eriophyllum wallacei Lyman Benson 1945-3-29 11642 Riverside 2 miles south of Whitewater. 366 Comment
  POM358159  Eriophyllum wallacei Norman C. Cooper 1944-3-25 1022 Riverside Morongo Pass. 457 Comment
  RSA282762  Eriophyllum wallacei C. W. Tilforth, B. Busenberg 1980-6-10 1984 Riverside 1.9 miles in from Hwy 74 on N leg of Thomas Mtn Raod, 1 mile S of Lake Hemet. 1494 Comment
  RSA0013157  Erodium cicutarium LeRoy Gross, Caitlin Elam 2013-5-14 6064 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA652317  Erodium cicutarium G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  RSA543135  Erodium macrophyllum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6124 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR249924  Erodium trifolium A. C. Sanders, Steve Boyd 2009-4-9 36793 Riverside Riverside, Beechwood Place between Brockton Ave. and Palm Ave. 252 Comment
  RSA530203  Erysimum capitatum var. capitatum N. C. Cooper 1944-5-20 1227 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UCSB2338  Erysimum capitatum var. capitatum Ralph, F. 1959-5-16 Riverside San Jacinto Mountains, 8.5 miles north of Idyllwild and ca. 17.8 miles south of the jct. of 8th St. and San Gregornio Rd. Banning 1676 Comment
  RSA0076217  Erythranthe androsacea Jeri Hirshberg 1995-5-19 279 Riverside San Jacinto Mountains, Garner Valley. Comment
  SDSU14082  Erythranthe guttata Joel Tracey 2002-4-20 10 Riverside Santa Margarita Ecological Reserve, 0.2 miles east from parking area intersecting Santa Margarita River and Northside Field Station road, small pond within river formed by rock basin. 252 Comment
  RSA0018792  Erythranthe guttata F. W. Peirson 1917-4-1 1125 Riverside Andreas Canyon near Palm Springs. Comment
  RSA0014885  Erythranthe tilingii M. B. Dunkle 1933-7-22 3751 Riverside Tahquitz Valley. 2317 Comment
  RSA0022928  Eschscholzia androuxii Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54039 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA0022940  Eschscholzia androuxii Verne Grant, Alva Grant 1951-4-7 15990 Riverside Below Morongo Valley on road to White Water 732 Comment
  SDSU18719  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  RSA543193  Eschscholzia californica var. peninsularis Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6113 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  HSC28464  Eschscholzia glyptosperma Richard Spjut 1973-4-6 3271 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  CHSC35481  Eschscholzia minutiflora James Henrickson 1973-3-18 8608 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to the canyon. 792 Comment
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Dec 5 2012
  RSA0009598  Eschscholzia parishii Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  UCR133177  Eucalyptus polyanthemos J. C. Lyman 1989-2-9 89- 3 Riverside Lakeview, Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo Comment
  SD133073  Eucrypta chrysanthemifolia Scott White 1991-5-10 91 137 Riverside Highway 79, immediately west of U. S. forest Service Campground at Dripping Springs. 548 Comment
  UCR214147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37711 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  UCSB38378  Eucrypta chrysanthemifolia Sims, Carole 1965-3-25 Riverside 100 yards east of Green River Shell Service almost to Orange County line on Riverside Freeway 213 Comment
  POM261028  Eucrypta micrantha E. C. Jaeger 1941-3-23 s.n. Riverside 13 miles W of Rice. 518 Comment
  RSA736107  Euphorbia L. C. Wheeler 1950-4-7 6759 Riverside Ca. 3 mi. west of Dale Lake, just west of two pumping plants on main 29 Palms- Amboy Rd. Comment
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Aug 15 2012
  UCR240520  Euphorbia abramsiana Tim Thomas, Alice Karl 2011-10-18 5526 Riverside Sonoran (Colorado) Desert, Hayfield Lake, 4 mi east of Chiriaco Summit, just north of Hwy I-10, northwest portion of lake be 437 Comment
  UCR101407  Euphorbia albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA770645  Euphorbia crenulata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51996 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA792560  Euphorbia eriantha Duncan S. Bell 2012-9-13 4187 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR23189  Euphorbia maculata S. Gallagher 1981-6-1 30 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  OBI14370  Euphorbia micromera Robert F. Hoover 1966-10-15 10154 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  POM12970  Euphorbia palmeri P. A. Munz, I. M. Johnston 1922-5-21 5517 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts 1402 Comment
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Aug 4 2008
  UCD142718  Euphorbia polycarpa Geoffrey Levin 1976-10-17 1171 Riverside Box Canyon. About 11 miles east of Mecca. Mecca Hills. Salton Sea Basin. 91 Comment
  UCR103318  Euphorbia polycarpa George K. Helmkamp 1998-2-5 2642 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR165817  Euphorbia polycarpa John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR201604  Euphorbia polycarpa Justin M. Wood 2008-11-17 228 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA0015423  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR99450  Euphorbia serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6144 Riverside San Jacinto Mtns., Fuller Mill Creek, North Fork of San Jacinto River 1829 Comment
  UCR102927  Euphorbia setiloba George K. Helmkamp, E. A. Helmkamp 1998-2-5 2686 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR59716  Euphorbia setiloba A. C. Sanders 1989-9-19 9509 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA356989  Euphorbia spathulata R. F. Thorne 1973-5-23 43862 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA535485  Euthamia occidentalis Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-2 6633 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  RSA0125088  Fagonia laevis Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8753 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA77840  Fagonia laevis F. Brubaker, Margaret Slaton 1929-4-28 495 -54 Riverside Hidden Springs, Colorado Desert Comment
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Nov 11 2011
  UC1287006  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside 4 mi s Palm Desert (along Palms to Pines Highway) 609 Comment
  UCR245241  Fagonia laevis Jim Andre 2012-3-19 21332 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR74360  Fagonia laevis Theo Glenn 1991-5-2 91- 15 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SD181762  Festuca arundinacea Scott D. White, Teresa Salvato 2001-6-8 8571 Riverside Santa Ana Mountains, Temecula; southern margin of county, just northeast of Rainbow Valley 334 Comment
  UCR4569  Festuca arundinacea Frank C. Vasek 1959-7-17 590717- 06 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  UCR88299  Festuca microstachys A. C. Sanders, K. C. Rose 1995-4-5 16367 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR154823  Festuca myuros A. C. Sanders, Kelly Volansky 2005-3-17 29225 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA501083  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3201 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA525321  Filago arizonica Steve Boyd, David E. Bramlet 1990-4-29 4475 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA336193  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52059 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UCR158726  Filago californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30011 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR260547  Filago californica T. B. Salvato, Matt Malle 2014-5-29 8023 A Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA198971  Filago gallica R. F. Thorne, E. W. Lathrop 1968-5-8 37577 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  RSA69885  Forestiera pubescens F. W. Peirson 1922-5-21 3044 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  UC511831  Forestiera pubescens Frank W. Peirson 1933-4-13 10647 Riverside road from Deep Canyon to Idyllwild (at Palm Creek crossing) 1386 Comment
  LA26729  Fouquieria splendens William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  RSA0039650  Fouquieria splendens Duncan S. Bell, LeRoy Gross 2014-3-20 6287 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR174527  Fragaria vesca Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  CLARK-A1528-3991  Fragaria vesca subsp. californica John C. Roos 1947-5-24 3638 Riverside San Jacinto Mountains Comment
  RSA762733  Frangula californica subsp. californica Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 87 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA489133  Frangula californica subsp. cuspidata Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  SD186320  Frangula californica subsp. tomentella Andy C. Sanders 2004-6-20 28215 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  CLARK-A1045-225  Franseria dumosa George K. Helmkamp 1978-4-1 Riverside Palm Springs north edge of town; Palm Springs 7.5'Q Comment
  POM244242  Frasera parryi Carl B. Wolf 1936-6-17 7963 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  CAS-BOT-BC217646  Fraxinus dipetala P. C. Everett 1935-6-17 7164 Riverside Coldwater Canyon Trail to Santiago Pk., 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  RSA70351  Funastrum cynanchoides var. hartwegii F. W. Peirson 1921-3-20 4119 Riverside Palm Canyon near Palm Springs Comment
  SBBG58625  Funastrum cynanchoides var. hartwegii R. Hoffmann 1929-9-11 Riverside Aguanga Comment
  SEINET10496382  Funastrum hartwegii A. Evans 1976-4-13 Evans 5177 Riverside Desert canyons of santa rosa mts. Comment
  SEINET10580661  Funastrum hartwegii Philip A. Munz 1932-4-24 Munz 12397 Riverside Snow Creek Canyon, San Jacinto Mts. 457 Comment
  JOTR36473  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA644216  Funastrum hirtellum V. W. Steinmann, P. I. Moscosa, Timothy S. Ross 1998-4-14 1364 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 182 Comment
  RSA282792  Galium andrewsii subsp. andrewsii C. W. Tilforth, B. Busenberg 1980-6-10 1983 Riverside Along Thomas Mtn. Rd., west of Hwy 74 andGrown in Botanic Garden from seed collected Aug. 21,1952, by P.A.Munz and E.K.Balls, 1 mi. w. of Fuller Mill Creek, Banning-Idyllwild. south of Lake Hemet. Comment
  POM46850  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 B Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA720458  Galium angustifolium subsp. angustifolium Naomi S. Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1694 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1585 Comment
  POM367711  Galium angustifolium subsp. gracillimum H. de Forest, Jack Rempel 1934-4-15 19820 Riverside Taquitz Canyon, south wall 244 Comment
  POM46823  Galium angustifolium subsp. gracillimum Mary F. Spencer 1920-4-6 1476 Riverside Palm Springs. 122 Comment
  UCR174262  Galium aparine A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32673 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  UC1562808  Galium parishii Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7431 Riverside head of Andreas Canyon San Jacinto Mts., Red Tahquitz Peak (n side of peak, w edge of barren bowl of decomposed granite nw of steep ridge) 2438 Comment
  UCR216497  Galium stellatum var. eremicum Jim Andre, T. La Doux 2009-3-10 11235 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA192002  Gamochaeta ustulata E. W. Lathrop 1966-4-13 6167 Riverside 3 miles NW of Murrieta Comment
  CAS-BOT-BC178387  Garrya flavescens Marian L. Campbell 1921-3-22 21 Riverside Foothills near Yucaipa on road to Redlands Comment
  UC774630  Garrya flavescens Carl B. Wolf 1939-1-20 Riverside e side Santa Ana Mts. (along Eagle Motor Way, 1 mi below summit) 914 Comment
  CAS-BOT-BC158071  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Brush land at mouth of San Jacinto River Comment
  UCR25458  Gastridium ventricosum John C. Roos 1939-5-27 s.n. Riverside Reche Canyon Comment
  OBI5886  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Summit of Devil's slide Trl from Idyllwild to Tahquitz Valley, San Jacinto Mts 2438 Comment
  RSA586161  Gazania linearis D. L. Banks, Steve Boyd 1995-3-30 0126 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  CAS-BOT-BC303566  Geraea canescens K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd ca 20 miles W of Blythe Comment
  POM358669  Geraea canescens Hutchinson 1926-5-1 s.n. Riverside Palm Springs, Riverside County Comment
  UC809707  Geraea canescens E. K. Balls 1949-4-2 12891 Riverside on Hwy 60 20 mi from Whitewater; Colorado Desert 121 Comment
  UCR245951  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  JEPS61457  Geranium californicum W. L. Jepson 2299 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  RSA5235  Geranium richardsonii Carl B. Wolf 1932-8-5 3959 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  POM184248  Gilia angelensis P. A. Munz 1932-3-24 12024 Riverside North of Lake Elsinore. 305 Comment
  RSA356760  Gilia angelensis R. F. Thorne 1973-5-23 45533 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCD117599  Gilia angelensis J. Powell 1965-4-13 484 Riverside Railroad Canyon, 4 miles east of Elsinore. 396 Comment
  UCR116010  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR91224  Gilia angelensis Scott D. White 1996-3-31 3871 A Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  SDSU15207  Gilia capitata Wende Rehlaender 1983-5-22 107 Riverside Reche Canyon, approx. 6 miles from NW end of Reche Canyon Road., just SE of Reche Vista Road; about 3 miles north of Sunnymead. Comment
  RSA786239  Gilia leptomeria Doris Bowers 1973-4-15 1964 Riverside S/o Cave Spring, Providence Mts. 1220 Comment
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Aug 24 2013
  SD261000  Gilia ochroleuca subsp. exilis Andrew C. Sanders 1994-5-29 14576 Riverside San Bedrnardino Mountains: East BrANCH Millar Canyon, along FS Road 4S45 1200 Comment
  RSA0107456  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-9 784 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  UCR151103  Gilia splendens Scott D. White, Julie Greene 1998-8-1 6969 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  JEPS69719  Gilia stellata W. L. Jepson 1928-4-25 12600 Riverside in the wash below Cottonwood Spr; Colorado Desert, Eagle Mtns. 731 Comment
  RSA0121065  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-3-15 8931 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA776839  Gilia stellata Amber Swanson, Duncan S. Bell 2011-3-18 224 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  RSA778252  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 919 A Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  RSA78696  Gilia stellata P. A. Munz 1952-4-15 17348 Riverside Ridge south of Pleasant Valley, Joshua Tree National Monument 1220 Comment
  SD225059  Gilia stellata G. K. Helmkamp 1998-4-4 3130 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center - Rice Rd). 474 Comment
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UCR103313  Gilia stellata George K. Helmkamp 1998-4-4 3175 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCSB51364  Glyceria elata Roos, John 1965-7-3 Riverside Dark Canyon, San Jacinto Mtns. Comment
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May 21 2011
  UCR113847  Glycyrrhiza lepidota Mitch Provance 2000-8-5 2181 Riverside Riverside, East side of N Main St, c. 100 yards before the Riverside Ave/ Main St bridge crossing the Santa Ana River. 259 Comment
  UCR16698  Gnaphalium californicum R. H. Smith 1969-5-20 40 Riverside San Bernardino Valley Region, Box Springs Mtns, below water reservoir, Sugarloaf Peak. 305 Comment
  UCR182804  Gnaphalium leucocephalum A. C. Sanders 2001-11-3 24879 Riverside Peninsular Range, Temescal Canyon, 1.4 miles NW of Indian Truck Trail on (old) Temescal Canyon Rd., c. 0.25 mi. SE of freeway 311 Comment
  RSA708178  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA778237  Guillenia lasiophylla Duncan S. Bell 2009-3-8 42 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA586842  Gutierrezia californica D. L. Banks, Peter Morrell 1995-5-4 0309 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  SEINET269563  Gutierrezia californica Scott D. White 1996-5-27 4077 Riverside E. of Moreno Valley and S.of Calimesa between State Hwy. 60 and Gilman Spr. Rd. west and north of former gravel quarry 518 Comment
  UCR203959  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  UCR181152  Gutierrezia sarothrae R. E. Riefner Jr. 2006-3-4 06- 47 Riverside Peninsular Range; San Jacinto Mtns, near Anza, c. 1.5 mi. west from Pine Meadow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  UCR92154  Gutierrezia sarothrae D. L. Banks, Steve Boyd 1995-10-26 0827 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  PASA1968  Harpagonella palmeri Frank W. Peirson 1922-5-19 Riverside 2 _ miles from Murietta on the road to Perris Comment
  SEINET273064  Harpagonella palmeri A. C. Sanders 1997-3-26 20116 Riverside Lake Skinner area: NW foot of the Tucalota Hills 0.2 mi E of main Skinner entrance road on a dirt service road 473 Comment
  UCR49271  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  UCR90760  Harpagonella palmeri D. E. Bramlet 1995-4-25 2394 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  UCR9266  Helianthemum scoparium O. F. Clarke 1969-10-25 s.n. Riverside San Jacinto Mtns, Along Banning- Idyllwild Rd. near the Poppet Flats turnoff 1280 Comment
  RSA162726  Helianthemum scoparium var. aldersonii J. D. Olmsted 1959-4-17 411 Riverside Rattlesnake Rock along Black Star Canyon Road 1 mi. north of Hidden Ranch and below Beacon Pines Ranch; 10 mi. SW of Corona 747 Comment
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Jun 6 2013
  UCR90983  Helianthus annuus Scott D. White 1996-3-16 3828 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR201512  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA413248  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River, near aqueduct crossing. 245 Comment
  RSA714435  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA92593  Hemizonia kelloggii J. C. Roos 1952-5-26 5713 Riverside Hass' Ranch. Reche Canyon. 457 Comment
  UCR161254  Hemizonia mohavensis A. C. Sanders, Mike Misenhelter 2005-9-20 31680 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR193745  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35749 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA638200  Hemizonia paniculata Scott D. White 1988-10-9 7170 Riverside Corona, near Bedford Canyon. Foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 305 Comment
  RSA883  Hemizonia paniculata J. T. Howell 1928-6-9 1077 Riverside Temecula. 305 Comment
  UCR150040  Hemizonia paniculata Scott D. White, Brian Leatherman 2004-10-7 10769 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  RSA335027  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  UCR174435  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32489 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR1555  Hesperocnide tenella David L. Davis 1962-5-15 34 Riverside Sycamore Canyon, about 1.5 mi south of Pennsylvania, 0.5 mi east of Canyon Crest Drive, Riverside 366 Comment
  RSA583618  Heterocodon rariflorum Steve Boyd, Darin L. Banks 1995-3-30 8414 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  SDSU9054  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Temecula Gorge, north bank of Santa Margarita River, just east pf aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of section 27. 244 Comment
  SEINET13297594 Image available Heteromeles arbutifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8351 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UC1211966  Heterotheca grandiflora Otto T. Solbrig 1958-8-18 2757 Riverside junction of Highway 71 and Highway 395 (on road to Palomar) Comment
  UCR92617  Heterotheca sessiliflora subsp. echioides Scott D. White 1995-8-23 3591 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  RSA4875  Hibiscus denudatus Carl B. Wolf 1932-4-3 2991 Riverside Colorado Desert, 14 mi E of Mecca on Blythe road. 152 Comment
  HSC27201  Hilaria rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument. Comment
  UCR24074  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Sonoran (Colorado) Desert, Coachella Valley, [near Thousand Palms] 8 mi. SE of Garnet 98 Comment
  RSA613654  Hirschfeldia incana D. L. Banks, Victor Steinmann 1997-3-13 1466 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UC1930013  Hirschfeldia incana Scott D. White, Justin Wood 2008-5-15 11991 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  LA45789  Hoffmannseggia microphylla Martha Hilend; 1929-7-27 363 Riverside Shaver's Well Comment
  OBI26133  Hoffmannseggia microphylla David J. Keil 1976-12-12 11913 Riverside Ca. 5 mi E of Indio along I-10 Comment
  UCR224395  Hordeum brachyantherum Justin M. Wood 2010-4-13 1463 B Riverside Prado Basin, city of Corona, small tributary to Temescal Wash, 0.5 mi northwest of Auburndale Street near Flood Control Dike 165 Comment
  UCD169405  Hordeum intercedens A. C. Sanders; T. B. Salvato 2011-4-4 38974 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. and Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  RSA500089  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3222 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  RSA614126  Hordeum murinum subsp. leporinum D. L. Banks 1997-2-23 1293 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UCR95589  Hordeum vulgare var. trifurcatum D. L. Banks, Rashmi Pant 1996-5-13 1026 Riverside Agua Tibia Mtns, NW Palomar Mtns; Hwy 79, at the entrance of the Dripping Springs Campground 476 Comment
  CAS-BOT-BC148558  Horkelia clevelandii John Thomas Howell 1927-8-2 2913 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  CAS-BOT-BC148567  Horkelia clevelandii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UC1051653  Horkelia clevelandii Peter Kamb 1950-7-9 1906 Riverside San Jacinto Mountains, Hall Canyon 1645 Comment
  UCR201424  Horkelia clevelandii Scott D. White, Justin M. Wood 2008-6-17 12155 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UC1478708  Hulsea heterochroma C. W. Tilforth and B. Busenberg 1980-6-10 1986 Riverside 2.2 mi in on n leg Thomas Mtn. Rd. (w of Hwy 74 and s of Lake Hemet) Comment
  RSA360714  Hulsea vestita subsp. callicarpha N. R. Zabriskie, Walter Zabriskie 1970-5-17 299 Riverside Strawberry Firebreak, south of end of Marion Ridge rd., Pine Cove San Jacinto Mts. 1920 Comment
  POM13147  Hydrocotyle ranunculoides P. A. Munz, I. M. Johnston 1922-5-19 5429 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  JOTR32358  Hymenoxys cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2473 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  POM19805  Hypericum formosum var. scouleri Mary F. Spencer 1923-7-29 2257 Riverside Saunders Meadow 1677 Comment
  UCR171961  Hypochaeris glabra John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR97886  Hypochaeris glabra A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19852 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  LA27349  Hyptis emoryi L. S. Rose; 1946-12-27 46308 Riverside Dead Indian Creek Wash, Palms to Pines Highway, 7 mi. SW of Indian Wells 274 Comment
  RSA797603  Hyptis emoryi Robert F. Thorne, Walter Wisura 1977-9-17 50764 Riverside San Jacinto Mountain: Chino Canyon along road to tramway Comment
  SD38548  Hyptis emoryi Edith Purer 1935-4-21 6464 Riverside Eastern slope of Mt. San Jacinto, Near Palm Springs Comment
  UC604959  Hyptis emoryi Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills, up Painted Canyon Comment
  UC883108  Hyptis emoryi Lewis S. Rose 1935-12-18 35656 Riverside Tahquitz Canyon Palm Springs (Colorado Desert); , , Palm Springs 182 Comment
  UCD124920  Hyptis emoryi Donald Myrick 1964-4-30 839 Riverside Pines to Palm Highway (Highway 74), 10 miles west of Palm Desert. 914 Comment
  UCD166271  Hyptis emoryi Jack Major 1962-4-17 786 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  SEINET10968982  Hyptis emoryi David B. Dunn 1946-3-15 Dunn 2021 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse desert scrub of larrea and franseria with palms at the springs in the canyon. Comment
  RSA487823  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of its junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  RSA33642  Iris hartwegii subsp. australis Robert L. Rutherford 1945-6-17 1672 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 19 2010
  UC134758  Isocoma acradenia var. bracteosa J. W. Toumey 1894-9-27 19 Riverside Banning Comment
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Mar 13 2011
  RSA155458  Isocoma acradenia var. eremophila L. S. Rose 1961-11-23 61062 Riverside La Quinta. 15 Comment
  SDSU13569  Isocoma menziesii var. vernonioides W. Miller 1972-8-25 Riverside Northwest cornerr along roadside in coastal sage. Comment
  RSA559314  Isolepis cernua Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7374 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  UCR20831  Isomeris arborea A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1299 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR179767  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 05- 647 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
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May 11 2009
  RSA574733  Jepsonia parryi Steve Boyd 1981-1-28 s.n. Riverside Gavilan Hills region, north flank of Estelle Mountain on ridge 2477 along access road up Estelle Mountain out of Dawson Canyon. 701 Comment
  UCR91457  Juglans californica Scott D. White 1995-3-30 2683 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  UC63439  Juncus ambiguus H. M. Hall 1904-5-19 4954 Riverside vicinity Riverside; , Fremont Park 243 Comment
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Sep 5 2011
  SBBG89273  Juncus bufonius J. Adams 1966-4-28 738 A Riverside dirt rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  UCR116975  Juncus bufonius var. congestus A. C. Sanders, T. B. Salvato 2001-5-3 24100 A Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR156615  Juncus bufonius var. congestus T. B. Salvato, A. C. Sanders 2005-5-17 899 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA234012  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop 1969-5-12 37927 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  UCR9555  Juncus dubius Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns., Tahquitz Spring, Martinez Canyon. 793 Comment
  UCR224436  Juncus effusus Scott D. White, Justin M. Wood 2009-5-22 12923 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  HSC83918  Juncus effusus subsp. austrocalifornicus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47293 Riverside Santa Rosa Plateau, just SE of Tenaja Guard Station off Tenaja Truck Trail 610 Comment
  RSA520939  Juncus effusus subsp. austrocalifornicus Steve Boyd, David E. Bramlet 1988-10-8 2862 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  RSA368247  Juncus mexicanus L. C. Wheeler 1933-12-2 2321 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  UCR201442  Juncus mexicanus Scott D. White, Justin M. Wood 2008-7-10 12456 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  SD241644  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35564 Riverside Peninsular Range: San Jacinto Mountains: May Valley c. 1.25 miles SW of Fleming Ranch, slope below May Valley Road toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Road (Idyllwild 7.5'Q) 1555 Comment
  RSA368339  Juncus rugulosus Robert Gustafson 1980-5-5 1559 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA192145  Juncus textilis H. A. Zuill 1966-6-5 192 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  CAS-BOT-BC80903  Juniperus James McMurphy 1916-8-13 s.n. Riverside Mountains between Fallbrook and Riverside Comment
  CLARK-A1656-721  Juniperus californica unknown 1981-3-14 Riverside Coachella Valley Comment
  NY21031  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1.5 mi NE of Cottonwood Spring along 29 Palms Rd, Joshua Tree National Monument Comment
  RSA717678  Juniperus californica A. C. Sanders 2004-5-5 27773 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA650239  Justicia californica Henry Pasek 1949-2-19 s.n. Riverside Edge of desert, E of Banning. 610 Comment
  UC951235  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Palm Springs, Tahquitz Wash 138 Comment
  POM9329  Justicia californica Mary F. Spencer 1920-3-13 179 Riverside Painted Canyon near Mecca. Comment
  SEINET5778644 Image available Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs Comment
  SD255293  Kallstroemia californica Sarah J. De Groot, Amy Rouillard 2015-9-15 7572 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. Mud flat at south edge of dry lake bed. 106 Comment
  UCR163060  Kallstroemia californica B. G. Pitzer, G. R. Ballmer 2000-10-14 4218 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  RSA293255  Keckiella antirrhinoides D. C. Michener 1980-5-8 3663 Riverside Area around Ca 243 at jct with Mt. Edn aRd [22.2 miles north of Mtn Center/5.9 mi. south of beginning of grase of CA 243 at Smith Creek bridge] 1150 Comment
  RSA666638  Keckiella antirrhinoides A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 25000 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  SEINET272328 Image available Keckiella antirrhinoides A. C. Sanders, G Helmkamp 1997-3-15 19952 Riverside Lake Skinner area; hll E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 518 Comment
  UCR131831  Keckiella antirrhinoides Jennie Phui 1998-5-30 037 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR167829  Keckiella antirrhinoides T. B. Salvato, Melissa Clemons 2005-6-2 1333 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA0018939  Keckiella antirrhinoides subsp. microphylla R. S. Woglum 1941-5-17 3038 Riverside Coyote Canyon, extreme south-central Riverside Co. Comment
  LA98032  Keckiella antirrhinoides var. antirrhinoides Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mts., Near Tahquitz Peak Comment
  NY786513  Keckiella antirrhinoides var. antirrhinoides A. L. Moldenke 1976-4-22 30580 Riverside Rancho California on Route 79 Comment
  RSA0117832  Keckiella antirrhinoides var. antirrhinoides Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along the Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  SD258959  Keckiella antirrhinoides var. antirrhinoides Sarah J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  JOTR31063  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2045 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  POM11201  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-6 6027 Riverside Between Tahquitz Valley and Round Valley. 2287 Comment
  SFV16973  Keckiella rothrockii var. jacintensis P. Wilson, M. S. Valenzuela 1997-7-25 3512 Riverside San Jacinto Mountains Near Round Valley Camp. 3000 Comment
  UCR35238  Keckiella ternata L. B. Ziegler 1966-7-5 64 Riverside San Jacinto, Dry slopes and disturbed soil near Hemet Lake 1372 Comment
  RSA736289  Kochia scoparia Scott D. White, Justin Wood 2008-5-27 12028 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  JOTR30099  Krameria grayi La Doux, Tasha, Alice Miller 2007-5-31 1775 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  RSA409403  Krameria grayi M. B. Dunkle 1933-5-6 3414 Riverside Colorado Desert. Dry Morongo Creek Comment
  RSA0011202  Krameria grayi Martha Hilend 1928-4-15 171 Riverside Colorado Desert near Thousand Palms. Comment
  RSA612957  Lamarckia aurea D. L. Banks 1997-3-29 1626 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border;, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UC1595558  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside e of Dorland Mountain (w of Kolb Creek, base of Agua Tibia Mountain, Vail Lake Area); Vail Lake Area, Agua Tibia Mountain 548 Comment
  RSA336168  Lamarckia aurea R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51997 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA469613  Langloisia setosissima subsp. setosissima Albert J. Perkins 1916-4-16 s.n. Riverside Palm Canyon. Comment
  SBBG45747  Langloisia setosissima subsp. setosissima Leota Davidson 1966-4-6 240 Riverside Wiley Well Rd, 4.5 mi S of intersection with Interstate 10 ca. 31 mi E of Desert Center, Chuckawalla Mtns Comment
  JOTR36082  Larrea tridentata La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3310 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km South of Sunset Mine (STOP4). 475 Comment
  LA209867  Larrea tridentata Miss Helflaud; March 1925 6488 Riverside Palm Springs Comment
  POM87266  Larrea tridentata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA390022  Larrea tridentata E. Crow 1929-2-24 181 Riverside Desert Palm. Palm Spring. Colorado Desert Comment
  UCR241507  Larrea tridentata A. C. Sanders, Ann Howald 2013-2-27 40539 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA719071  Larrea tridentata Michael Honer 2005-3-18 2095 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  UCR128905  Lasthenia coronaria A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23903 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  JEPS102001  Lasthenia glabrata subsp. coulteri Raymund Chan 1998-3-22 98005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  HSC5141  Lasthenia gracilis R. A. Eagle 1963-4-8 9 Riverside San Jacinto Mtns.; Idyllwild-Banning Rd. Comment
  POM356985  Lasthenia gracilis R. F. Thorne 1973-5-23 43868 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA774510  Lasthenia gracilis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4462 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR111603  Lasthenia gracilis Mitch Provance, J. Ross 1999-4-1 1731 Riverside Jurupa Mountains, saddle c. 0.5 km east of peak 1437 in the W portion of the Jurupa Mountains. 427 Comment
  UCR155836  Lasthenia gracilis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR167521  Lasthenia gracilis Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR96797  Lasthenia gracilis G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, SE of Arnold Heights & east of Alessandro Blvd. 460 Comment
  SD137783  Lathyrus vestitus var. alefeldii Darin L. Banks 1995-4-5 144 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail 651 Comment
  JEPS23550  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside Comment
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Mar 13 2011
  JOTR16604  Layia glandulosa Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT 1645 Comment
  POM361633  Layia glandulosa Christopher Davidson 1973-4-19 1990 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  UCR93581  Layia glandulosa J. Hogan 1974-5-6 36 Riverside Mojave Desert, Joshua Tree National Monument (Park), Eureka Peak. NW edge of Covington Flat. (= VABM Eureka, 5516 ft.) 1677 Comment
  JEPS40035  Layia platyglossa Carl V. Meyer 1929-6-18 766 Riverside near Hemet Lake Hemet Valley; San Jacinto Mts. Comment
  SEINET3479044  Layia platyglossa A. G. Vestal 1962-3-29 Riverside Temecula, Temecula, 0.3 miles south Comment
  SEINET7073464  Layia platyglossa A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC144246  Layia platyglossa C. F. Baker 1904-4-4 4120 Riverside Elsinore Comment
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Jul 4 2010
  UCR111766  Layia platyglossa Mitch Provance 1998-3-10 202 Riverside Lake Mathews, Meadow near the corner of La Sierra Ave. and Cajalco Rd., on the SW side of the lake, south of the dam. 412 Comment
  UCR266809  Layia platyglossa Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 04 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA29237  Layia platyglossa subsp. campestris Joseph A. Ewan 1933-5-3 10781 Riverside Hard adobe of old fallow field borders Paloma Valley, 7 miles NE Murrietta. Comment
  RSA654610  Layia platyglossa subsp. platyglossa Bruce Albert 1982-4-17 62 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  RSA0089288  Lemna minor David E. Bramlet 2005-7-13 3897 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San jacinto River channel. 433 Comment
  UCR113550  Lepidium densiflorum Mitch Provance, Juanita Provance, Seychelle Provance 2000-9-3 2222 B Riverside Riverside, Canyon Crest, apartments on the NE ocrner of Chicago and Central. 280 Comment
  RSA776509  Lepidium fremontii Amber Swanson, Duncan S. Bell 2011-3-20 248 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  SD247378  Lepidium fremontii Andy Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range. 722 Comment
  UCR116713  Lepidium fremontii Helen Kennedy, Sara Mills 2001-3-17 5388 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  POM272886  Lepidium lasiocarpum Lyman Benson 1933-3-31 4176 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA726535  Lepidium lasiocarpum Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1440 Riverside Along Palen Road near Hwy 177. 170 Comment
  SEINET11983341  Lepidium lasiocarpum Unknown 1936-1 12807 Riverside Colorado Desert N of Palm Springs Comment
  CAS-BOT-BC158125  Lepidium latifolium Abby Sirulnik 2000-5-4 38 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  CAS-BOT-BC60106  Lepidium virginicum var. menziesii Frank W. Peirson 1922-5-21 3031 Riverside San Jacinto Mountains. Hemet Valley. 1356 Comment
  SD262250  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317 58 Riverside Temescal Valley: De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots. 372 Comment
  RSA522758  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3865 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA575819  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  RSA5364  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  UC33118  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Riverside Comment
  UCD134034  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside Whitewater Wash, north of Palm Springs. 198 Comment
  CLARK-A1528-5128  Lepidospartum squamatum var. palmeri John C. Roos 1965-10-12 Riverside Whitewater Comment
  RSA289874  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4089 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  UC2031379  Leptochloa mucronata Duncan S. Bell with John Anderson, Kim Clark, Debbie George, Jim George, and Ed Howland 2013-9-28 6021 Riverside Chuckawalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air miles SE of Hopkins Well. Comment
  UCR241237  Leptodactylon californicum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 06 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  JEPS69865  Leptodactylon pungens Carl V. Meyer 1928-7-31 611 Riverside near summit of Tahquitz Peak (on w side, San Jacinto Mts.); San Jacinto Mts., nr summit Tahquitz Peak Comment
  CAS-BOT-BC226618  Leptosiphon floribundus subsp. hallii A. Davidson 1903-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  RSA73077  Leptosiphon liniflorus P. A. Munz 1922-6-23 3316 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  RSA500182  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3537 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA736986  Lesquerella tenella J. Andre, T. La Doux 2008-3-21 8831 Riverside JTNP: Pinkham Exit dirt road, at Cottonwood Visitor s Ctr, just N. of Cottonwood Cyn. 939 Comment
  UCR128246  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2003-10-16 27337 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR260894  Ligustrum japonicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41526 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  CAS-BOT-BC130877  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mts. Comment
  UCR129782  Lilium parryi P. A. Munz 1922-7-7 6066 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  UC1873113  Limonium R. E. Riefner Jr. 2006-8-2 06 -356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Road 289 Comment
  RSA716346  Limonium ramosissimum R. E. Riefner 2006-8-2 6 -356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Rd. 289 Comment
  UC23402  Linanthus bigelovii W. G. Wright 1890-3-10 759 Riverside Colorado Desert Comment
  RSA0009862  Linanthus bigelovii Marcus E. Jones 1903-5-11 10241 Riverside Whitewater. 305 Comment
  CHSC26491  Linanthus californicus Richard Fellows 1970-5-7 22 Riverside Ca. 5 mi. W. of Corona, .5 mi. N. of Prado Dam off Hwy. 71. 304 Comment
  RSA777157  Linanthus californicus Steve Boyd, Susan G Jett 2008-3-20 11829 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  CLARK-A1528-3472  Linanthus dianthiflorus John C. Roos 1950-4-15 4735 Riverside Reche Canyon 761 Comment
  SEINET6692571 Image available Linanthus dianthiflorus Bonnie C. Templeton 1930-4-9 1010 Riverside Near Banning., Colorado Desert 400 Comment
  UCR51953  Linanthus jonesii Steve Boyd, T. S. Ross, D. Nordin, L. Arnseth, Richard Noyes, S. Meury 1988-3-10 2174 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA673729  Linanthus lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  POM12935  Linanthus pungens subsp. hallii P. A. Munz 1922-6-27 5874 Riverside Toro Peak. 2287 Comment
  UCR97433  Linaria canadensis var. texana B. G. Pitzer 1997-3-4 2937 Riverside City of Riverside, vacant lot adjacent to (S of) St. George's Episcopal Church on corner of Watkins Dr. & Spruce St. 305 Comment
  RSA497947  Linum lewisii E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild, San Jacinto Mts. 1585 Comment
  UCR160776  Lithophragma A. C. Sanders 1998-3-11 21681 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA519244  Lobularia maritima Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA65716  Loeflingia squarrosa F. W. Peirson 1922-4-9 4156 Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA644007  Loeflingia squarrosa var. squarrosa V. W. Steinmann, M. T. Wedlake 1995-4-8 657 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  RSA122912  Loeseliastrum schottii H. S. Yates 1937-3-23 6398 Riverside 2 miles North of Palm Springs. Comment
Read comments
Nov 9 2011
  SBBG87389  Loeseliastrum schottii A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6012 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UC1714468  Loeseliastrum schottii E. E. Schellenger 1906-4-3 14 Riverside Colorado Desert, Santa <Marie> Mts. Comment
  UC909107  Loeseliastrum schottii John Thomas Howell 1928-3-11 3441 Riverside 6 mi. s.e. Garnet Station; Colorado Desert 152 Comment
  CAS-BOT-BC342106  Logfia arizonica Steve Boyd 1986-4-10 1642 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon. 1.0 mi east of Indian Truck Trail Comment
  RSA507511  Lolium perenne Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  RSA612609  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1997-3-13 1494 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  UCR62323  Lomatium lucidum Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  POM296448  Lonicera subspicata Lyman Benson 1945-11-10 11912 Riverside 5 miles east of Temecula. 457 Comment
  RSA0020465  Lophocereus schottii Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6031 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  POM13456  Lotus grandiflorus var. mutabilis P. A. Munz 1922-5-19 5403 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR100025  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 20000 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR182312  Lotus hamatus Mitch Provance 2003-4-5 6613 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  RSA406164  Lotus haydonii B. C. Templeton 1930-4-9 101 Riverside Palm Springs 400 Comment
Read comments
Aug 28 2011
  POM122521  Lotus heermannii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA798593  Lotus heermannii Robert F. Thorne, E. W. Lathrop 1977-5-18 49753 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA0028977  Lotus heermannii John F. Emmel 1990-10-28 1157 Riverside Along NW shore of Lake Hemet, ca. 1.7 air mi west and 0.3 air mi south of Lake Hemet Store. 1311 Comment
  UCR174135  Lotus humistratus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32620 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  UC219318  Lotus nevadensis var. nevadensis P. A. Munz 1922-6-27 5851 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  CDA33554  Lotus rigidus Mike Lahti 2010-2-21 PDR# 1501960 Riverside Near Palm Desert, at the base of the Santa Rosa Mountains. 0 Comment
  RSA648718  Lotus scoparius Dennice McDougall 1981-5-9 824 Riverside S on Hwy 71, 5 mi. N of Hwy 74. Road margin above Lake Elsinore. Comment
  UCR135847  Lotus scoparius var. scoparius A. C. Sanders 2004-4-20 27530 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  JOTR31966  Lotus strigosus La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2203 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA28287  Lotus strigosus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA525409  Lotus strigosus Steve Boyd, Laurel Arnseth, Yvonne Rasmusson, Hugo Cota 1990-5-3 4517 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UC1129171  Lotus strigosus H. S. Yates 1937-3-23 6404 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR103279  Lotus strigosus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3587 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA526495  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross 1990-5-11 4690 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR279413  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-25 42989 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  CSUSB1241  Lotus tomentellus Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA406374  Lotus tomentellus N. C. Cooper 1936-1 2164 Riverside West side of Colorado Desert. 30 Comment
  POM230897  Lupinus arizonicus Richard Arnold 1932-3-26 s.n. Riverside Blythe, Riverside Comment
  SBBG55855  Lupinus arizonicus R. Gustafson 1978-3-21 843 Riverside Joshua Tree Nat Monument, ca. 3 mi from the jct of the rd leading through the park and Hwy 70 640 Comment
  SEINET2062842  Lupinus arizonicus George Helmkamp 1995-3-16 Riverside Coxcomb Mts, W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  UC1080285  Lupinus arizonicus E. K. Balls and P. C. Everett 1958-3-20 22937 Riverside S base of Eagle Mts., U.S. Hwy. 60/70 365 Comment
  UC1979880  Lupinus arizonicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-27 1079 Riverside Colorado Desert; Northeastern Clorado Desert region: Shavers Well area of Mecca Hills. Comment
  UCR213884  Lupinus arizonicus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10895 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SEINET10870659  Lupinus arizonicus David B. Dunn 1946-3-17 Dunn 2098 Riverside On north-facing slopes of ravine coming down from plateau east of springs at Pushawalla Canyon. Indio Hills. Comment
  POM305804  Lupinus bicolor Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1055 Riverside Elsinore. Comment
  SD152851  Lupinus bicolor Steve Boyd, Tim Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern Portions of Oak Flats along the Bluewater Trail 730 Comment
  SEINET7073451 Image available Lupinus bicolor A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC1212156  Lupinus bicolor David Dunn 1941-3-29 932 Riverside two mi w Corona; w of Corona Comment
  UCR104024  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR213306  Lupinus bicolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37699 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  RSA613464  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1997-3-13 1457 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA699732  Lupinus bicolor subsp. tridentatus Keith E. Hoffmaster 1937-6-6 s.n. Riverside Hemet Lake. Comment
  UCR177827  Lupinus concinnus S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR245893  Lupinus concinnus R. F. Thorne 1995-3-29 63014 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR86884  Lupinus concinnus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16287 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR1560  Lupinus concinnus subsp. optatus R. L. Needham 1962-5-19 10068 Riverside Peninsular Ranges, San Jacinto Mtns, above Fern Basin Campground (off Idyllwild-Banning Hwy). 1982 Comment
  LA205081  Lupinus excubitus W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC216681  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3687 Riverside Gilman Ranch in the foothills of Banning 853 Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  SD122396  Lupinus hirsutissimus Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1943 Riverside Santa Margarita Ecological Preserve west of Temecula, alongside jeep trail leading into Santa Margarita River Canyon Comment
  UCR107396  Lupinus hirsutissimus B. G. Pitzer 1997-3-23 2951 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR162644  Lupinus hirsutissimus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR245898  Lupinus hirsutissimus R. F. Thorne 1995-3-29 63009 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR35024  Lupinus hirsutissimus L. B. Ziegler 1967-4-18 113 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  POM123547  Lupinus latifolius subsp. parishii Philip A. Munz, I. M. Johnston 1924-7-27 8729 Riverside Deer Springs, San Jacinto Mts 2500 Comment
  SD83396  Lupinus microcarpus var. densiflorus R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2063 Riverside Fig Tree Valley, sandy area along trail 690 Comment
  CLARK-A1528-2850  Lupinus sparsiflorus John C. Roos 1937-4-18 1357 Riverside Cabazon Comment
  JOTR34361  Lupinus sparsiflorus Andre, Jim 2012-4-16 20876 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  SBBG99765  Lupinus sparsiflorus W. L. Halvorson 1977-2-15 77 -27 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC56612  Lupinus sparsiflorus H. M. Hall Apr. 1902 2939 Riverside Riverside Comment
  UCR17920  Lupinus sparsiflorus M. J. Arbaugh 1978-5-5 s.n. Riverside Hills south of Botanical Gardens at University of Calif., Riverside. Comment
  UCR90371  Lupinus sparsiflorus D. L. Banks, Steve Boyd 1995-5-3 232 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA607352  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1938-5-1 1612 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  POM9291  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-3-20 3371 Riverside 5 miles S of Corona 305 Comment
  HSC14951  Lupinus truncatus C. L. Hitchcock 1966-3-15 24166 Riverside About 10 mi. NE of Temecula Comment
  HSC83017  Lupinus truncatus N. M. Fellows 1985-3-16 109 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  RSA414398  Lupinus truncatus M. B. Dunkle 1932-3-25 2889 Riverside Cabazon. Colorado desert. 457 Comment
  RSA543168  Lupinus truncatus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6078 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC73208  Lupinus truncatus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR174168  Lupinus truncatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32602 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  HSC21253  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside About 5 mi. NE of Aguanga Comment
  SBBG114131  Lycium andersonii E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  UCSB5905  Lycium andersonii Haller, John 1960-4-3 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  POM4213  Lycium torreyi I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  SDSU13005  Lythrum californicum Michael G. Simpson 1999-10-27 2047 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR117380  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24387 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  SEINET2053351 Image available Machaeranthera canescens var. incana Don Domenigoni 1985-9-20 Riverside Hemet, 950 N State Street. Comment
  UCR80830  Machaeranthera cognata John Wear, N. Moorhatch 1993-6-11 s.n. Riverside Sonoran (Colorado) Desert, Mecca Hills 61 Comment
  RSA0112047  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2009-10-9 497 Riverside Southwest section of the Arica Mountains. 410 Comment
  UCR89591  Machaeranthera tortifolia Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  UCSB37909  Madia gracilis Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S R 3E, W1/2 sec. 28 2072 Comment
  SBBG4653  Malacothamnus fasciculatus var. fasciculatus H. and M. Dearing 1937-11-28 2815 Riverside S side of Santa Rosa Mtn above Ribbonwood Comment
  UC64038  Malacothamnus fasciculatus var. fasciculatus H. M. Hall 1897-7-29 765 Riverside El Toro Pk.; San Jacinto Mtns.; Santa Rosa Range 2438 Comment
  JOTR31996  Malacothrix coulteri La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2226 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  HSC28056  Malacothrix glabrata Richard Spjut 1973-4-6 3272 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  UCR37450  Malacothrix saxatilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  UCR51560  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  OBI37525  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Kieth Rd, just E of the Bear Crk dev golfcourse Comment
  POM10402  Malvella leprosa Charlotte M. Wilder 1904-10 s.n. Riverside Between Elsinore and Corona. Comment
  RSA335011  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
Read comments
Feb 26 2013
  UCR59719  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  UCR120939  Marah macrocarpa A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24954 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR154828  Marah macrocarpa A. C. Sanders, Mike Misenhelter 2005-3-23 29274 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR270192  Marah macrocarpa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42393 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  POM306698  Marina parryi Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1684 Riverside West of blythe. Comment
  RSA404236  Marina parryi M. B. Dunkle 1935-3-30 4424 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA699192  Marina parryi J. R. Bruff 1928-4-5 205 Riverside Between Wiley Well and Beals Well. Comment
  UCR100879  Marina parryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2694 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  SEINET2065649 Image available Marrubium vulgare Ed LaRue 1989-4-7 Riverside Woodcrest area, 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyn Road. 365 Comment
  UCR113631  Marsilea vestita June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  UCR12617  Marsilea vestita K. H. Fisher 1968-5-14 10 Riverside Santa Ana Mountains, Murrieta, cattle reservoir 50 yards from Tenaja Rd & 8 mi from Washington St. 549 Comment
  UCSB46882  Marsilea vestita Roos, John 1965-9-16 Riverside Lakeview. Comment
  SD260170  Matelea parviflora A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwall Bench area on S side of Chuckwall Mountains, 8.9 km SE of Gasline Rd, at narrow wash crosing (Red Cloud Canyon 7.5'Q) 701 Comment
  POM362447  Matricaria matricarioides N. C. Cooper 1944-4-22 1137 Riverside Banning 732 Comment
  UCR92691  Matricaria occidentalis A. C. Sanders 1996-4-20 18058 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR30815  Meconella denticulata John C. Roos 1950-5-6 4783 Riverside Peninsular Range; Santa Ana Mtns., Head of Hagador Canyon, south of Corona 1037 Comment
  UCR91862  Medicago lupulina A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18115 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA556494  Medicago polymorpha Julie Greene 1993-4-3 1120 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  IRVC28526  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside Riverside, UCR campus at University Bldg. South (old Citrus Expt. Sta. Director's residence area) 351 Comment
  UCR172151  Melia azedarach A. C. Sanders 2006-5-11 32269 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  RSA522297  Melia azedarach Steve Boyd 1989-7-7 3767 Riverside Upper Temescal Canyon at SE end of Alberhill Mtn. S of I-15 at Nichols Rd. exit. Comment
  UCR187358  Melica frutescens R. E. Riefner Jr. 2006-8-2 06- 350 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW c. 0.75 mi. from Leon Rd. 580 Comment
  HSC79631  Melica imperfecta Paul Bailey 1972-5-14 132 Riverside 5 mi. SE of Temecula, Hwy. S 16, Pechanga Canyon. 671 Comment
  RSA543765  Melica imperfecta Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6065 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA699307  Melica imperfecta Keith E. Hoffmaster 1934-4-8 88 Riverside Santa Ana Mts. Comment
  UCR120602  Melica imperfecta Steven R. Hill 2001-5-3 33668 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  CSUSB1119  Melilotus indicus Arthur P. Donaldson 1966-5-19 Riverside Collected from the Santa Ana River Bottom at it's entrance to Fairmount Park in the city of Riverside. 262 Comment
  UC64493  Mentzelia affinis H. M. Hall 1897-3-10 Riverside San Jacinto Lake Comment
  UCR18120  Mentzelia albicaulis A. C. Sanders 1978-4-2 00413 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UC454537  Mentzelia dispersa I. J. Condit 1910-6-24 Riverside San Jacinto Mountains 914 Comment
  POM306693  Mentzelia involucrata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1689 Riverside Near Desert Center-Indio. Comment
  RSA510022  Mentzelia involucrata B. Pitzer 1988-3-10 649 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA708489  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  RSA796270  Mentzelia involucrata Jim Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  UCR233171A  Mentzelia involucrata Jim Andre, Glenn L. Clifton 2011-2-22 17440 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM159936  Mentzelia jonesii E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  RSA736553  Mentzelia laevicaulis Scott D. White, Angelia Carey 2004-7-2 10580 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET226233  Mentzelia longiloba A. C. Sanders 1983-5-22 3834 Riverside Along Kelbaker Road at the east end of the Kelson Dunes, 2.2 miles SE of Kelson. 655 Comment
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May 18 2015
  UCR90392  Micropus californicus var. californicus D. L. Banks, Steve Boyd 1995-5-9 0338 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 732 Comment
  RSA584681  Microseris douglasii subsp. douglasii D. Bramlet 1992-4-29 2244 Riverside San Jacinto Nuevo Y Potrero. This site is located some 823m west of Gilman Springs Road (Highway 79), just northwest of the Quail Ranch golf course. It is approximately 460m south of Bold Style Ave. 436 Comment
  UCR88169  Microseris douglasii subsp. douglasii Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  RSA500096  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3214 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR213532  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37799 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  SBBG19544  Mimetanthe pilosa R. Moran 1962-7-7 9859 Riverside Strawberry Crk, 2 mi SW of Idyllwild 472 Comment
  RSA0018769  Mimetanthe pilosa Philip A. Munz, I. M. Johnston 1924-7-27 8849 Riverside 7 miles SE of Poppet Flat. San Jacinto Mountains. 1524 Comment
  UCR280951  Mimulus aurantiacus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 66 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR84639  Mimulus aurantiacus var. pubescens Scott D. White, S. Ogg 1994-4-21 1987 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  HSC35462  Mimulus aurantiacus var. puniceus J. D. Ackerman, A. M. Montalvo 1975-6-26 524 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  UC943923  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 B Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  UCR116664  Mimulus aurantiacus var. puniceus A. C. Sanders, Carolyn Washburn 2001-5-10 24234 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  JOTR16848  Mimulus bigelovii var. bigelovii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  RSA124413  Mimulus bigelovii var. bigelovii Percy C. Everett, E. K. Balls 1958-4-29 23017 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
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Mar 20 2011
  RSA27934  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA480032  Mimulus bigelovii var. bigelovii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2162 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA649248  Mimulus bigelovii var. bigelovii Sears 1978-3-18 937 b Riverside Corn Springs Wash at Corn Spring, 7 mi. SE of Desert Center. 563 Comment
  UC56260  Mimulus bigelovii var. bigelovii H. M. Hall 1902-4-11 2804 Riverside Coyote Canyon, w borders of desert Colorado Desert 137 Comment
  UCD122483  Mimulus bigelovii var. bigelovii William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCSB6096  Mimulus bigelovii var. bigelovii Haller, John 1960-4-2 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  CSUSB885  Mimulus brevipes Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  RSA736296  Mimulus brevipes Scott D. White, Justin M. Wood 2008-5-27 12035 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  UC26882  Mimulus brevipes Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  RSA570551  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  UCR231772  Mimulus guttatus John F. Green 2008-4-23 08- 21 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  JEPS11354  Mimulus microphyllus W. L. Jepson 1901-5-22 1364 Riverside Palm Canyon, upper part Mt. San Jacinto region 914 Comment
  UCR144750  Mimulus parishii Scott D. White, Brian Leatherman 2002-6-10 8780 Riverside San Bernardino Mtns., Whitewater River Canyon, c. 1 mi below trout farm 628 Comment
  CLARK-A1528-4264  Mimulus pilosus John C. Roos 1936-9-15 2511 Riverside San Jacinto Mountains Comment
  UCR110957  Mimulus pilosus George K. Helmkamp 1998-6-27 4104 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR194225  Mimulus pilosus Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR281212  Mimulus pilosus Mitch Provance, John Hazlett 2017-4-27 417- 26 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  CAS-BOT-BC385089  Mirabilis albida Jean L. Pawek 1964-9-25 635 Riverside Hwy S74 near entrance to Santa Rosa Indian Reservation 1828 Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  RSA700902  Mirabilis laevis Keith E. Hoffmaster 1936-4-26 s.n. Riverside Box Springs grade. Comment
  RSA770932  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4778 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR163426  Mirabilis laevis B. G. Pitzer 1998-1-25 3428 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  UCR225597  Mirabilis laevis A. C. Sanders, T. B. Salvato 2011-3-29 38879 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  SDSU13049  Mirabilis laevis var. crassifolia Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998E Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, then ca. 300 feet N.E., heading down to creedbed, north side of road. 256 Comment
  SDSU16686  Mirabilis laevis var. crassifolia Francis H. Bozzolo 2006-4-16 7 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. Shallow slope on NW side of road, with single large Quercus sp at base. 360 Comment
  POM9007  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-3-20 3400 Riverside 5 miles S of Corona 305 Comment
  UCR130711  Mirabilis multiflora var. pubescens George K. Helmkamp, E. A. Helmkamp 1998-6-27 4077 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA4943  Mohavea confertiflora Carl B. Wolf 1932-4-27 3054 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  CDA6774  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  POM247469  Monardella linoides subsp. linoides P. A. Munz 1941-10 17238 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  RSA408710  Monardella linoides subsp. linoides N. C. Cooper 1949-6-29 4286 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  CAS-BOT-BC215493  Monardella nana E. McClintock; H. Lewis 1941-6-29 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road Comment
  CAS-BOT-BC215498  Monardella nana Elizabeth McClintock 1941-7-22 130 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA96070  Monardella nana Elizabeth McClintock; 1941-5-31 44 Riverside 5 mi from turn off tp Anza Tablet Comment
  UC1499901  Monardella nana Elizabeth McClintock 1941-6-8 62 Riverside Road to Santa Rosa Mts. 2.6 miles above Pines to Palms Highway Comment
  CLARK-A1528-579  Monardella nana subsp. arida C. M. Flanagan 1973-5-12 OO 405 Riverside San Jacinto Mountains 1097 Comment
  RSA750413  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt. 0.6 miles above Pines to Palms Highway. Comment
  RSA750418  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 53 Riverside 5.75 miles from the Anza Monument turn off. Comment
  UCR113751  Monardella nana subsp. arida William LaHaye 1999-1 s.n. Riverside Santa Rosa Mtns, Near Santa Rosa Peak Comment
  UCR221477  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 107 Riverside Peninsular Range; San Jacinto Mtns., trail to Deer Springs [off Suicide Rock Trail], a short distance below first spring which crosses trail 2591 Comment
  UCR221484  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 069 Riverside Peninsular Range; Santa Rosa Mtns., 3 miles east of Ribbonwood Camp [Pinyon Flat], Pines to Palms Highway 1220 Comment
  CHSC67961  Monardella nana subsp. leptosiphon Alison Graff 1993-6-24 M- 10 Riverside San Bernardino National Forest, San Jacinto Mtns. 1.45 mi in on Black Mtn. Rd. (FS 4S01) from Hwy. 243. Comment
  RSA109308  Monardella nana subsp. tenuiflora H. K. Sharsmith 1954-7-7 4444 Riverside San Jacinto Mountains, On Forest Service Road to Black Mountain ca. 1 mile from Hwy. Beteen Fuller Creek and Idlewild. 1982 Comment
  RSA750304  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 119 Riverside San Jacinto Mts. Trail to Suicide Rock. Comment
  RSA750316  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside San Jacinto Mts. On the Idyllwild road, a shot distance below the Keen Camp turn off, in the canyon where the Pseudotsugas first occur. Comment
  UC1499836  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  UCSC001505  Monardella nana subsp. tenuiflora Peter Kamb 1947-6-7 576 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  CLARK-A1528-414  Monolepis nuttalliana Oscar F. Clarke 1970-9-24 Riverside Riverside Comment
  RSA640205  Monolepis nuttalliana R. S. Woglum 1939-3-21 2176 Riverside Sonoran Desert: Mecca; north of Salton Sea. Comment
  UCR141351  Monolepis nuttalliana Chris E. True, Robert Cox 2004-4-22 s.n. Riverside San Jacinto Wildlife Area, 2 miles NNE of Lakeview Hot Springs and 1.8 mi. north of Ramona Expressway crossing of San Jacinto River, between pipeline and dirt road near center of sec. 31 439 Comment
  POM304729  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1939-11-28 167 Riverside 10 miles east of Indio. Comment
  RSA676035  Monoptilon bellioides Scott D. White 2001-4-12 8294 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  SD70775  Monoptilon bellioides David B. Dunn 1948-3-14 3773 Riverside Near Hidden Springs Ranch 5.0 miles south of the Indio Hills in the Colorado Desert. Comment
  RSA357119  Montia fontana R. F. Thorne 1973-5-23 45520 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  UCR193371  Montia fontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35637 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR106351  Muhlenbergia asperifolia John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM48333  Muhlenbergia californica E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. alt. 1500 ft. 457 Comment
  RSA676130  Muhlenbergia microsperma Scott D. White 2001-4-17 8330 Riverside SONORAN DESERT: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  UCR256792  Muhlenbergia microsperma T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7875 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SD247290  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline road (Red Canyon 7.5'Q) 646 Comment
  POM1102  Muhlenbergia richardsonis H. M. Hall 1901-06 2428 Riverside Tauquitz Valley 2805 Comment
  UCD87077  Muhlenbergia rigens Peter Kamb 1948-10-21 1275 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  CSUSB410  Muilla maritima D. C. Wald 1967-5-17 Riverside Collected in Bernasconi Hills near Lakeview, on north-facing slope opposite Big Rock. 518 Comment
  UC3796  Muilla maritima H. M. Hall May 1899 1138 Riverside Hemet Valley San Jacinto Mountains 1371 Comment
  UCR50587  Muilla maritima B. G. Pitzer, E. Misquez 1988-2-28 0633 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  UCR6184  Muilla maritima C. M. Bringle, H. Johnston 1967-4-22 B670422- 7 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  UCR222401  Myoporum insulare A. C. Sanders, Andrew Chen 2011-1-5 38704 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River, Jurupa area of Riverside, SE of Riverview Dr. and west of Rio Rd. 223 Comment
  PASA2572  Myosurus minimus Frank W. Peirson 1922-4-29 2945 Riverside Lake Elsinore Comment
  UCR22157  Myosurus minimus subsp. apus Steve Boyd 1980-5-13 264 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA278972  Nama demissa Barry A. Prigge, L. Martinez 1978-3-23 2421 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA718828  Nama demissa Michael Honer, L. Hulse 2004-4-3 1923 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  RSA264149  Nama hispida var. spathulata C. W. Tilforth, John Dourley, Walter Wisura 1977-6-19 1329 Riverside 2 miles S of Rice and Hwy 62, along Blythe-Rice Rd. 267 Comment
  SEINET239060  Nassella cernua Mitch Provance 2000-4-8 2007 Riverside Jurupa Mountains: S extension of 'Rattlesnake Mt.' <100m W of Peak 1739. (Fontana 7.5' Q.) 488 Comment
  CDA2256  Nassella tenuissima R. E. Riefner Jr. 2007-5-26 07 -216 Riverside City of Lake Elsinore, along I-15 north near Main Street. Comment
  SDSU13599  Navarretia atractyloides W. Miller, C. Mosse 1972-7-5 Riverside Comment
  UCR70678  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 100 m north of end of 13th St.; about 8 m east of the river in a swale adjacent to the levee 473 Comment
  UC1922319  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Santa Ana Mtns: Rainbow area; mountain foothils west of I-15 Freeway and immediately N of San Diego County line. Comment
  UC1532793  Navarretia prostrata Robert F. Thorne and Earl Lathrop 1975-5-25 45563 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  CAS-BOT-BC109110  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  RSA0126322  Nemacladus longiflorus var. longiflorus H. Baer 1923-5-20 d.n. Riverside Lee Lake, Temescal. Comment
  RSA692242  Nemacladus ramosissimus Scott D. White, Michael Honer 2003-5-27 9407 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR25788  Nemacladus ramosissimus John C. Roos 1937-7-11 1507 Riverside Box Springs Mtns, Reche Canyon Comment
  RSA98809A  Nemacladus tenuis var. aliformis P. A. Munz 1926-1-31 9979 Riverside Palm Springs. [Dos Palmas Spring] Comment
  POM305648  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1018 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA606291  Nemophila menziesii Jon E. Keeley 1994-4-7 25291 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  SD7439  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  POM49023  Nemophila menziesii var. integrifolia P. A. Munz 1924-5-18 8141 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UC1329953  Nicolletia occidentalis James E. Cole 1941-5-31 842 Riverside Lost Horse Mine Road Joshua Tree National Monument 1402 Comment
  UCR101558  Nicotiana acuminata var. multiflora A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22232 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  CLARK-A1528-884  Nicotiana bigelovii C. M. Flanagan 1973-5-22 OO 903 Riverside Rubidoux 228 Comment
  UC76177  Nicotiana glauca Miss M. A. King 1893-1 Riverside Menifee Comment
  JOTR30637  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA710134  Nicotiana obtusifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  UCR21934  Nicotiana quadrivalvis Steve Boyd 1980-5-3 185 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SD81343  Notholaena californica subsp. leucophylla S. B. Parish, W. F. Parish 1882-1 Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Jul 12 2010
  CHSC109709  Nuttallanthus canadensis Scott D. White 2003-3-21 8797 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  CAS-BOT-BC171494  Oenothera californica Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR262447  Oenothera californica John F. Green 2015-6-23 615- 01 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  RSA715765  Oenothera californica subsp. californica A. C. Sanders, D. Malueg 2003-5-8 26562 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR216214  Oenothera deltoides subsp. deltoides Jim Andre, T. La Doux 2009-2-25 10824 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA0042168  Oligomeris linifolia Duncan S. Bell, Evan Meyer 2014-4-2 6518 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR261455  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41442 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SEINET6044361  Opuntia chlorotica Unknown 1996-7-2 4268 Riverside San Jacinto & Santa Rosa Mnts. Pinyon Flat Area. North of Highway 74 ca 10 road miles east of jct. with Hwy 371. West facing slope. Comment
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC56908  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 19101 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR16339  Orobanche bulbosa Charles Prentiss 1966-5-5 s.n. Riverside San Jacinto Mtns., road to Lake Fulmor, 1 mi. below lake 1524 Comment
  RSA0104790  Orobanche bulbosa Steve Boyd, Ken Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain. 609 Comment
  RSA0072125  Orobanche cooperi G. K. Helmkamp 1998-4-4 3144 Riverside Southern Mojave Desert: junction of CA Hwy 62 (Twentynine Palms Hwy) & CA Hwy 177 (Desert Center-Rice Rd). 457 Comment
  UCR58949  Orobanche fasciculata Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  RSA0059156  Orobanche fasciculata Mary F. Spencer 1922-7-2 1561 Riverside Idyllwild. San Jacinto Mt. 1646 Comment
  RSA0104805  Orobanche fasciculata R. S. Woglum 1941-5-17 3040 Riverside Peninsular Ranges/Sonoran Desert transition: Elder (Alder?) Canyon off Coyote Canyon. Comment
  RSA0010923  Orthocarpus densiflorus var. gracilis Marion P. Harthill 1976-5-5 s.n. Riverside Cleveland National Forest. 2000' ele. 610 Comment
  RSA409108  Orthocarpus purpurascens Ora M. Clark 1929-4-6 1957 Riverside S of Hemet. Comment
  RSA0030792  Orthocarpus purpurascens Robert L. Rutherford 1945-5-24 1654 Riverside Big Oaks Canyon, Banning. 1220 Comment
  CSUSB462  Oryzopsis hymenoides Leland E. Francois 1966-4-23 42366 2 Riverside East side of Salton View look out, located in Joshua Tree National Monument. 1580 Comment
  POM353423  Oxalis albicans subsp. californica W. P. Burger 1979-4-29 62 Riverside Hidden Valley Hang Gliding Site. Near Lake Elsinore. 610 Comment
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Dec 16 2009
  RSA560410  Oxalis albicans subsp. californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 341 Comment
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Oct 22 2014
  UC1929717  Oxalis californica Scott D. White 2003-3-21 8825 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
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May 28 2018
  RSA64888  Oxytheca emarginata R. S. Woglum 1937-5-24 12082 Riverside Santa Rosa Indian Reservation. 1220 Comment
  RSA740917  Oxytheca emarginata Scott D. White, Justin M. Wood 2008-7-10 12445 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA192040  Paeonia californica E. W. Lathrop 1959-3-26 4361 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  RSA500066  Paeonia californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3245 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  UCR138812  Paeonia californica D. L. Banks, J. Moreno 1997-2-5 1260 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  CAS-BOT-BC327889  Palafoxia arida L. A. Greata 1905-4-1 391 Riverside Coachella Comment
  RSA653713  Palafoxia arida Scott D. White 2000-3-23 7634 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  UC402946  Palafoxia arida var. arida H. E. and S. T. Parks Feb. 1929 396 Riverside Palm Springs Palm Springs (and southward) Comment
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Feb 23 2010
  CAS-BOT-BC253751  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge 305 Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  SEINET10788752  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 2 Riverside S of Whitewater, Northern San Jacinto Mountains 100-200 m S of Hwy 111, on NE aspect, steep slope sand deposits on base of mountains. 311 Comment
  SEINET1909740  Panicum urvilleanum Sarah De Groot, Mark Porter 2006-1 5199 Riverside North foot of San Jacinto Mountains, between Snow Creek and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  RSA586731  Papaver californicum D. L. Banks, S. D. Boyd 1995-5-17 454 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA796751  Parietaria hespera var. hespera Jim Andre 2012-4-11 20838 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  RSA777762  Parkinsonia florida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1083 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  SD6071  Parkinsonia florida unknown Mar 1914 Riverside Palm Springs Comment
  SJSU5172  Parkinsonia florida R. C. McGehee 1970-4-14 187 Riverside Rice Rd 7 mi NE of Desert Center Comment
  UCR163090  Parkinsonia florida B. G. Pitzer 2000-5-7 4143 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  PASA212  Parosela emoryi Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  POM319685  Paspalum distichum Patricia Wilder 1971-11-11 5292 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR93239  Paspalum distichum Scott D. White 1995-7-7 3454 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CDA5093  Passiflora caerulea H. Gill, F. Harris 1974-7-8 Riverside Main Street and Mount Vernon Avenue, Highgrove. 0 Comment
  RSA339330  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53567 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
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Apr 25 2011
  RSA387326  Pectis papposa Aaron Liston, Thomas S. Elias, Oscar Dorado, S. Zona 1986-11-29 643 -2 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
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Oct 9 2010
  UCR100330  Pectis papposa var. papposa George K. Helmkamp 1997-11-1 2515 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  RSA0043060  Pectocarya heterocarpa Jim Andre 2014-1-27 26659 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR214285  Pectocarya heterocarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37488 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR116454  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-3-30 23873 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  RSA502911  Pectocarya linearis subsp. ferocula Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  UC218244  Pectocarya penicillata P. A. Munz and I. M. Johnston 1922-5-19 5422 Riverside San Jacinto Mountains, Keen Camp 1524 Comment
  UCR23545  Pectocarya penicillata John C. Roos 1966-4-5 s.n. Riverside Hills near Winchester Comment
  JOTR33868  Pectocarya platycarpa La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3054 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  RSA77862  Pectocarya platycarpa F. W. Peirson 1920-2-16 1014 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  SBBG6315  Pectocarya platycarpa C. H. Muller 1952-4-6 9505 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  SEINET9300461  Pectocarya platycarpa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  CLARK-A1045-298  Pectocarya recurvata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  UCSB41268  Pectocarya setosa Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W on Hwy. 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Berndo. Nat. Forest; Whittaker transect #W-221 1180 Comment
  RSA450318  Pediomelum californicum J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains, Pinon flats Comment
  RSA686754  Pellaea andromedifolia Anonymous s.n. Riverside Elsinore Comment
  IRVC3153  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  RSA522753  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3860 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA543733  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6068 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga 600 Comment
  SD73461  Penstemon E. W. Lathrop 1969-5-29 7082 Riverside 8 miles west of Murrieta on the Main Divide Truck Trail between Tenaja Rd. and Los Alamos Canyon, along stream Comment
  RSA97165  Penstemon X parishii R. M. Straw 1953-6-23 473 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  UCR189578  Penstemon californicus Amy Rowland 2006-6-9 095 Riverside Peninsular Range- San Jacinto Mountains, Garner Valley; c. 1 mi east of Hwy 74, 0.3 mi south of Fobes Ranch Rd. 1382 Comment
  NY583964  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25288 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  RSA0014863  Penstemon clevelandii var. connatus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1332 Riverside Santa Rosa Mountains. Comment
  UC1018436  Penstemon clevelandii var. connatus Jim Warren 1952-4-26 Riverside Snow Creek Comment
  UC887103  Penstemon labrosus Edmund C. Jaeger 1921-7-8 Riverside Idylwild , Idylwild (San Jacinto Mts.) 1584 Comment
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Nov 5 2011
  UCR3236  Penstemon spectabilis Chuck Elliott 1964-5-5 s.n. Riverside 1 mi past end of Canyon Crest Rd. west in Riverside 305 Comment
  NY661194  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25279 Riverside Route 74, 7-8 miles east of Hemet 548.6 Comment
  UCR34884  Pentachaeta aurea L. B. Ziegler 1966-6-21 056 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  RSA0070922  Pentagramma maxonii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10470 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SEINET10545725  Perideridia parishii David B. Dunn 1946-8-17 Dunn 2694 Riverside Grass near stream at camp in Taquity Valley damp meadow area. 2438 Comment
  CAS-BOT-BC332707  Perityle J. Von Loh 1978-1-23 3299 Riverside About 12 mi SW of Blythe 121 Comment
  RSA0042379  Perityle emoryi Duncan S. Bell, LeRoy Gross 2014-3-13 6238 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  LA212315  Perityle emoryi A. L. H.; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  SBBG81107  Persicaria lapathifolia S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  CAS-BOT-BC167774  Petalonyx thurberi L. R. Abrams 1926-3-26 11106 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  POM84170  Petalonyx thurberi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA122581  Petalonyx thurberi H. S. Yates 1937-6-27 6726 Riverside Mouth of Deep Canyon 305 Comment
  SEINET3155077  Petalonyx thurberi L. S. Rose 1938-12-19 38324 Riverside 6 miles S of Cathedral City 46 Comment
  RSA621639  Petunia parviflora R. E. Riefner 1998-7-9 98 -281 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  LA106265  Peucephyllum schottii David S. Verity; Sue Verity 1986-1-2 sn Riverside Hidden Palms, Indio Hills Comment
  RSA450482  Peucephyllum schottii J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  RSA517238  Peucephyllum schottii Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1325 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA696804  Peucephyllum schottii J. R. Bruff 1932-3-21 s.n. Riverside Base at slope at Spring. 1000 Palms. Comment
  UCR91557  Peucephyllum schottii A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15923 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of Fargo Canyon, Litthe San Bernardino mtns., 1.2 mi. above junction with Aqueduct Road. 367 Comment
  RSA697775  Phacelia J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2439 Comment
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Nov 10 2010
  RSA239852  Phacelia ambigua C. W. Tilforth 1973-4-29 773 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  RSA425998  Phacelia ambigua M. B. Dunkle 1933-3-4 3050 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA113259  Phacelia brachyloba E. K. Balls 1955-4-4 20428 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  UCR138760  Phacelia brachyloba Scott D. White 1997-5-18 5169 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  UC702057  Phacelia campanularia subsp. campanularia Harlan Lewis 1946-4-21 Riverside side canyon about 3 1/2 mi n Hiway 99; Whitewater Canyon Comment
  RSA124430  Phacelia campanularia subsp. vasiformis Percy C. Everett, E. K. Balls 1958-5-4 23082 Riverside Morongo Canyon. 671 Comment
  RSA0110953  Phacelia campanularia subsp. vasiformis Rofena Lewis, F. Brubaker 1926-2-22 6500 Riverside Along Boulevard below Whitewater Bridge, head of Coachella Valley. Comment
  UCR85577  Phacelia ciliata Julie A. Greene 1993-6-11 1356 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  UCSB17617  Phacelia crenulata Hurst, Linda 1963-5-5 Riverside About 12 miles E of Pinyon Flats Campground on California Highway 74 1097 Comment
  JOTR33951  Phacelia cryptantha La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2837 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JEPS1534  Phacelia curvipes W. L. Jepson 1901-5-24 1421 Riverside Vandeventer Flat Santa Rosa Mts., Van de Venter's Ranch Comment
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Jun 19 2011
  UC666587  Phacelia curvipes Harlan Lewis 1942-5-3 1603 Riverside burn 1 mi w Pinyon Flats ((Calif Hwy 74)) Comment
  JEPS2381  Phacelia distans Dr. L. M. Newlon 1922-4-3 425 Riverside 6 mi w Indian Wells; Colorado Desert, Coachella Valley Comment
  JOTR36004  Phacelia distans Andre, Jim 2012-4-16 20883 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA426071  Phacelia distans E. Crow 1929-4-7 295 Riverside Southwest of Corona. Comment
  RSA770429  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4870 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR102699  Phacelia distans B. G. Pitzer 1998-1-24 3382 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  JEPS1111  Phacelia imbricata subsp. patula Carl V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  POM187413  Phacelia imbricata subsp. patula L. Crutcher 1933-8-1 9 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  UC1400321  Phacelia imbricata subsp. patula Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38100 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  UC489184  Phacelia imbricata subsp. patula C. V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  UCR18512  Phacelia lemmonii A. C. Sanders 1980-2-1 391 Riverside Santa Rosa Mtns., Carrizo Creek just off Hwy 74 610 Comment
  HSC35440  Phacelia minor A. M. Montalvo, J. D. Ackerman 1975-6-26 530 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1/4 mi. W of Upper San Juan Campground Cleveland National Forest Comment
  RSA594780  Phacelia minor D. L. Banks, Dylan Hannon 1996-5-3 974 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SBBG55017  Phacelia minor D. Keil, M. McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UCR241693  Phacelia minor T. B. Salvato 2013-3-22 7399 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR91607  Phacelia minor D. L. Banks 1995-4-11 0171 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 951 Comment
  UCR97889  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  POM3691  Phacelia mutabilis A. W. Anthony 1895-7-13 11723 Riverside [Unspecified] Comment
  UC729828  Phacelia mutabilis Carl B. Wolf 1932-8-5 3936 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  LA205631  Phacelia parishii Philip A. Munz; 1937-5-29 15101 Riverside Shumway, edge of Pinyon Flats, San Rosa Mts 1219 Comment
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Mar 11 2014
  RSA27409  Phacelia pedicellata C. L. Hitchcock 1940-3-31 5887 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UC495208  Phacelia pedicellata Philip A. Munz 1932-3-14 12012 Riverside Magnesia Springs Canyon Coachella Valley 91 Comment
  UCR140658  Phacelia ramosissima Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 81 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR23998  Phalaris aquatica John C. Roos 1962-6-30 s.n. Riverside Santa Ana Mtns, Head of Tin Mine Canyon Comment
  POM263357  Phalaris lemmonii J. C. Roos 1937-5-10 456 Riverside Lake Elsinore. Comment
  UCR266364  Phalaris lemmonii D. E. Bramlet 2005-5-4 3845 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, Winchester, along railroad tracks 454 Comment
  POM13139  Phlox austromontana P. A. Munz, I. M. Johnston 1922-5-19 5450 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA747864  Phlox austromontana Justin M. Wood 2009-5-11 683 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  SD181808  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  JOTR32531B  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA709638  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  CAS-BOT-BC135112  Phoradendron californicum C. L. Hitchcock 1940-3-2 5917 Riverside Cottonwood Spring Wash, Joshua Tree Nat. Monument Comment
  SEINET10739282  Phoradendron californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12847 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR240037  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  POM354350  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  CAS-BOT-BC260906  Phragmites australis W. R. Dudley 1903-12-29 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC260907  Phragmites australis H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chino Canyon, San Jacinto Mts. Comment
  UCR239828  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  HSC82761  Physalis crassifolia Christopher Davidson 1979-4-4 7676 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  JOTR31098  Physalis crassifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2356 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  RSA781822  Physalis crassifolia Duncan S. Bell 2011-12-30 3042 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SBBG29194  Physalis crassifolia K. K. Muller 1967-9-14 1421 Riverside 5 mi E of Indio Comment
  UC156  Pinus coulteri H. M. Hall 1901-7-1 2642 Riverside in open pine forests in the vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCSB16195  Pinus coulteri Lockwood, Leo 1963-5-4 Riverside Roadside, 2 mi. south of Black Mountain Road on Banning-Idyllwild Road, R 1 1219 Comment
  JEPS46820  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
  UCSB9212  Pinus jeffreyi Koran, Jr., John 1958-5-16 Riverside 5.2 miles east of Idyllwild on Idyllwild-Banning Hwy. 1584 Comment
  CSUSB922  Pinus monophylla Stanley C. Warner 1956-5-20 s.n. Riverside Palms to Pines Highway, Pinyon Flats Camp Comment
  POM262897  Pinus quadrifolia J. C. Roos 1938-8-7 585 Riverside Summit Pines to Palms Road, San Jacinto Mt. Comment
  RSA356996  Pinus quadrifolia Robert F. Thorne, P. Everett 1966-10-18 41854 Riverside Santa Rosa Mountains Comment
  UCR115921  Pistacia atlantica Mitch Provance 2000-10-28 2288 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR80729  Plagiobothrys acanthocarpus Steve Boyd 1992-4-18 6895 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  RSA714658  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR174366  Plagiobothrys canescens A. C. Sanders 2006-5-19 32407 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR172204  Plagiobothrys collinus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR96709  Plagiobothrys collinus A. C. Sanders 1997-3-1 19718 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SBBG34759  Plagiobothrys collinus var. fulvescens J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, S of town of Murrieta, small mesa SW of Mesa de Burro 579 Comment
  UCR58494  Plagiobothrys fulvus var. campestris Jeri Hirshberg 1989-4-4 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, and SW of Mesa de Burro 610 Comment
  SD240930  Plagiobothrys jonesii Dave Silverman 2010-3-30 7888 Riverside Lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Road, 7.0 km E of McCoy Peak and 4.4 km north of I-10 182 Comment
  SEINET10456329  Plagiobothrys leptocladus John C. Roos 1952-4-23 Roos 5572 Riverside 1 mile southeast of Perris. 427 Comment
  UCD121059  Plagiobothrys undulatus Robert F. Thorne; E. Lathrop, P. Munz 1968-5-8 37570 Riverside Santa Rosa Plateau: On Mesa de Colorado, Ranch CA. Comment
  UCR280979  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 81 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  CAS-BOT-BC174041  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CLARK-A1528-3431  Plantago erecta John C. Roos 1937-2-21 1311 Riverside Riverside Comment
  UCR113044  Plantago erecta Mitch Provance 1998-3-31 304 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the quarries. 366 Comment
  UCR133031  Plantago erecta Scott D. White 1993-4-22 1251 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR151202  Plantago erecta Steve Boyd 2001-4-12 10413 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  UCR4594  Plantago lanceolata R. G. Barber 1962-5-11 s.n. Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  UCSB9610  Plantago major Philbrick, Ralph 1954-10-24 Riverside pasture 4 miles south of Chino Institute 213 Comment
  JEPS7174  Plantago ovata Marjorie D. Clary 1932-3-27 1682 Riverside 5 mi n Indio; Indio Hills 152 Comment
  RSA776694  Plantago ovata Duncan S. Bell, Amanda Turek 2010-4-10 789 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  POM308154  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2921 Riverside 10 miles east of Indio. Comment
  RSA339066  Plantago ovata var. fastigiata Robert F. Thorne, C. W. Tilforth 1980-5-28 54243 b Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SBBG99819  Plantago ovata var. fastigiata W. L. Halvorson 1977-2-15 77 -31 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  RSA773594  Plantago patagonica Duncan S. Bell, Joy D. England 2010-6-14 1306 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  SD133046  Plantago patagonica Scott White 1991-5-13 91 78 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  SD137692  Plantago patagonica Darin L. Banks, Steve Boyd 1995-5-3 293 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  POM12757  Platanthera leucostachys Philip A. Munz 1922-7-7 6065 Riverside Meadow N of Tahquitz Valley. San Jacinto Mountains. 2226 Comment
  RSA6097  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  SD229213  Platanus racemosa Dick Schwenkmeyer 2012-5-22 730 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR182820  Platanus racemosa R. E. Riefner Jr. 2006-9-19 06- 445 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River 301 Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  CAS-BOT-BC91887  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  RSA674568  Platystemon californicus Scott D. White 2000-5-3 7767 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of 'Red Hawk' subdivision. 351 Comment
  RSA674593  Platystemon californicus Scott D. White 2000-5-5 7772 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UC167976  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UC167979  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  RSA560375  Plectritis ciliosa subsp. insignis Steve D. Boyd 1992-4-14 6807 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  JOTR32449  Pleuraphis rigida La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2199 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA326158  Pleuraphis rigida John F. Emmel 1982-10-5 834 Riverside Northeast slope of Santa Rosa Mountains; near base of mts. Guadalupe Creek 341 Comment
  JOTR32042  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2272 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA4953  Pleurocoronis pluriseta C. B. Wolf 1932-4-27 3045 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  UCR30078  Pleurocoronis pluriseta George K. Helmkamp 1983-4-5 483- 19 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CLARK-A1528-5377  Pluchea sericea John C. Roos, Lucille Roos 1951-10-24 5340 Riverside Pedley 228 Comment
  JOTR37488  Pluchea sericea Hodges, Stephen R., M. Vamstad 2016-3-22 617 Riverside Joshua Tree National Park. Eagle Mountains, South of Eagle Mine, Buzzard Springs Comment
  UC485232  Pluchea sericea unknown May 1 1906-May 10 1906 1010 -6754 Riverside Palm Springs Colorado Desert Comment
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Apr 17 2011
  UCR201616  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCD90448  Poa secunda R. Tofsrud 1949-4-27 s.n. Riverside Hwy 395 between Camp Haan and March Fiels. Comment
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Apr 20 2013
  RSA612932  Poa secunda D. L. Banks 1997-3-29 1645 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego Co. line border. 463 Comment
  RSA599105  Poa secunda subsp. secunda V. W. Steinmann, D. L. Banks 1996-4-20 841 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UC147830  Poa secunda subsp. secunda H. M. Hall 1901-5-22 1137 Riverside s side of San Jacinto Mts 1524 Comment
  UCD91881  Poa secunda subsp. secunda Fred M. Reed 1905-2-26 671 Riverside Tequesquite Arroyo near Victoria Club House. Comment
  POM16501  Polygonum amphibium var. emersum H. Baer 1923-6-24 s.n. Riverside Lee Lake, Temescal Canyon. Comment
  UCR16524  Polygonum argyrocoleon John Dean 1965-4-15 s.n. Riverside Sonoran (Colorado) Desert, 0.5 miles south of McCoy Wash mouth 91 Comment
  UCR88166  Polygonum argyrocoleon A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16075 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  RSA630328  Polygonum lapathifolium Scott D. White 1996-9-22 4539 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  UCR82834  Polygonum lapathifolium A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15812 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA503416  Polypogon interruptus John Olmsted 1962-5-10 3632 Riverside Coldwater Canyon, Corona city water supply, western Riverside County 396 Comment
  SEINET10522814  Polypogon interruptus David B. Dunn, A. Folsom 1948-6-17 Dunn 3798 Riverside At camp in Pushawalla canyon under palms. Comment
  SDSU13953  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA500120  Polypogon monspeliensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3691 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR155828  Polypogon monspeliensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR42327  Polypogon monspeliensis N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 172 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR170134  Polypogon semiverticillatus Jeffrey Ross 1998-6-4 142 Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  POM360771  Populus fremontii Howard Mullins 1931-4-6 s.n. Riverside Coachella Valley. Comment
  CAS-BOT-BC356159  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  RSA715193  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  CDA3370  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 Riverside San Jacinto Mtn foothills; San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. Comment
  UCR156464  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR185176  Potamogeton diversifolius Naomi Fraga, Et al. 2006-7-11 1722 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA191457  Potamogeton foliosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6622 Riverside 6 miles NW of Murrieta. Comment
  JOTR35171  Potamogeton foliosus subsp. foliosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3274 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA286806  Potamogeton pusillus Robert F. Thorne 1974-5-23 44669 Riverside Santa Rosa Plateau, Rancho California: Mesa de Colorado, pool at SW edge of large vernal marsh and presently separated from it, floating in shallow water c. 1/3 m deep. 625 Comment
  RSA0013883  Proboscidea althaeifolia Justin M. Wood, D. M. Ray 2010-11-1 3070 Riverside Mojave Desert: NE side of SR-177, approx. 1 km NE of Desert Center. 176 Comment
  UCR101278  Prosopis glandulosa L. C. Wheeler 1961-10-8 7933 Riverside Peninsular Range, Temescal Canyon at Dawson Canyon Fire Road. Comment
  CAS-BOT-BC202362  Prosopis glandulosa var. torreyana A. C. Sanders; Steve Boyd; Mitch Provance 1999-9-14 23075 Riverside San Bernardino Valley: Colton Dunes, dune remnant on Slover Ave. between Pepper Ave and the tank farm, ca. 1 mile due W of Slover Mtn. 320 Comment
  UC219556  Prunus emarginata P. A. Munz 1922-7-6 6032 Riverside between Tahquitz and Round Valley (San Jacinto Mountains); San Jacinto Mountains 2225 Comment
  LA208122  Prunus fasciculata J. Warren; 1952-5-25 sn Riverside 5 mi. W of Palm Desert 914 Comment
  UCR35156  Prunus fremontii L. B. Ziegler 1969-4-9 340 Riverside San Jacinto Mtns., Pinyon Flats. Near Palm Canyon Drive 1250 Comment
  SEINET10450019  Prunus fremontii A. K. Evans 1976-4-13 Evans 5150 Riverside Desert canyons of santa rosa mountains Comment
  UCR265838  Prunus ilicifolia Mitch Provance 2012-5-24 512- 21 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR35159  Prunus virginiana var. demissa L. B. Ziegler 1972-5-5 451 Riverside San Jacinto Mtns., Hemet (Garner) Valley area in Apple Canyon (east of the Hemet Lake.) 1448 Comment
  RSA550274  Psathyrotes ramosissima Walter Wisura, John Dolan, Michael Wall 1992-3-24 4622 Riverside Lowdesert: 6.0mi NE of Mecca on Box Canyon Rd. Comment
  SEINET7883495 Image available Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi. s. of Cathedral City. 46 Comment
  UC218054  Psathyrotes ramosissima P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4839 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  UCR279561  Psathyrotes ramosissima A. C. Sanders, Jim Malusa 2017-3-29 43169 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  RSA0104486  Pseudognaphalium Duncan S. Bell 2015-9-30 8669 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR26135  Pseudognaphalium biolettii John C. Roos 1952-2-29 5374 Riverside Reche Canyon Comment
  SEINET10669298  Pseudognaphalium canescens subsp. microcephalum Nye Leith, Greg Gust 2005-3-11 Nye 69 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  SD187364  Pseudognaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UC31984  Pseudognaphalium stramineum H. M. Hall 1901-8-1 2609 Riverside wooded slopes and benchs of the s side San Jacinto Mountains 1615 Comment
  CAS-BOT-BC80073  Pseudotsuga macrocarpa P. C. Everett 1935-6-18 7205 A Riverside Santa Ana Mts., Coldwater Canyon Trail, about 2 mi. below main divide motorway 1219 Comment
  IRVC2825  Pseudotsuga macrocarpa Carol Hooven 1965-4-24 s.n. Riverside Idylwild. Peninsular Ranges, San Jacinto Mountains Comment
  RSA528058  Psilocarphus brevissimus A. C. Sanders 1991-4-19 10922 Riverside Edgemont area, E of Sycamore Canyon. 0.8 mile W of Highway I-215, on East Ridge Dr. (=Eucalyptus), just W of Pepsi Plant 466 Comment
  RSA557340  Psilocarphus brevissimus Julie Greene 1993-5-12 1314 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  RSA772529  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4430 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC667322  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-22 2217 Riverside 1.5 mi n Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, n of Cottonwood Spring 975 Comment
  JEPS41637  Psorothamnus emoryi H. M. Hall 1905-4-29 5949 Riverside near Colorado River (McCoy Wash); near Colorado River, McCoy Wash Comment
  OBI13262  Psorothamnus emoryi Robert F. Hoover 1966-10-15 10158 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  UC863688  Psorothamnus emoryi Lewis S. Rose 1936-12-18 36789 Riverside Palm Springs 138 Comment
  UCR136897  Psorothamnus emoryi Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  CAS-BOT-BC340875  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside At entrance to Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC340895  Psorothamnus schottii Carl B. Wolf 1932-4-26 2973 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  SD27947  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert, 14 mi. E of Mecca, on Blythe Road (E of Shavers Well) 152 Comment
  UC1080447  Psorothamnus schottii P. C. Everett and E. K. Balls 1958-4-29 22957 Riverside Hwy 60/70, Indio to Blythe, 5 mi E of jct. with Hwy. 99 121 Comment
  RSA0022493  Psorothamnus schottii Bonnie C. Templeton 1930-4-9 1000 Riverside North of Palm Springs 305 Comment
  RSA33633  Psorothamnus spinosus N. C. Cooper 1944-7-15 1603 Riverside Palm Springs. 122 Comment
  RSA404275  Psorothamnus spinosus Julian P. Donahue 1973-6-16 s.n. Riverside Corn Springs Wash at Corn Spring, Chuckwalla Mountains, 7.5 mi. SE Desert Center 488 Comment
  RSA575916  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp. 341 Comment
  RSA171395  Pterostegia drymarioides J. D. Olmsted 1962-5-2 3466 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  UC466078  Pterostegia drymarioides Fred M. Reed 1908-3-15 2273 Riverside Box Spring Mts., Pigeon Pass Comment
  UCR162402  Pterostegia drymarioides S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR35104  Pyrola aphylla L. B. Ziegler 1966-6-28 071 Riverside San Jacinto Mountains, North Fork of the San Jacinto River (Dark Canyon), above Idyllwild-Banning Road 1677 Comment
  RSA0062946  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  RSA477085  Quercus agrifolia Mark Morris 1929-3-17 14899 Riverside Palm Canyon. Comment
  UCD45043  Quercus agrifolia Rudolph Fischer 1965-10-8 2 Riverside ca. 100 feet from south bank of San Jacinto River, elevation 2000 feet. State Highway 74, 3 miles east of Hemet, Riverside County, California. 609 Comment
  RSA748812  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  SDSU13620  Quercus agrifolia var. agrifolia C. Mosse 1972-7-11 Riverside Comment
  UCD45076  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
  UCR161944  Quercus agrifolia var. oxyadenia Mike Misenhelter 2005-9-9 s.n. Riverside San Bernardino Mtns., northeast of intersection of Basil Lane and Butterfly Drive, just south of Wildwood Canyon Road, north of Cherry Valley 1052 Comment
  UCR262390  Quercus agrifolia var. oxyadenia Tom Scott 2011-1 2011- 576 Riverside San Bernardino Mtns., south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning 863 Comment
  CDA37140  Quercus berberidifolia Mike Lahti 2012-4-29 PDR# 1590351 Riverside Bautista Canyon in east Hemet on Bautista Road, approx. 6 miles east of Fairview Ave. Comment
  LA46615  Quercus berberidifolia W. Pequegnat; 1939-4-8 37 Riverside Santa Ana Mountains Comment
  RSA256678  Quercus berberidifolia T. L. Ackerman 1975-6-26 520 Riverside Hwy 74 between San Juan Capistrano and Lake Elsinore, Cleveland National Forest. Comment
  UCR90742  Quercus berberidifolia Scott D. White 1995-4-5 2753 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC62441  Quercus chrysolepis Scott D. White 1996-8-1 4443 (1 of 2 replicates) Riverside San Jacinto Mts., Idylwild area. North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1615 Comment
  UC519764  Quercus chrysolepis C. Epling 1931-10-4 Riverside Idyllwild 1371 Comment
  UCR46608  Quercus chrysolepis L. F. LaPre, Jack Easton 1987-3-24 s.n. Riverside San Jacinto Mtns., Hamilton Creek Canyon on south side of Hwy 371, east of Anza. 1220 Comment
  UCSB60490  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Just off Hwy. 74, south on 7S06 (dirt road), 3.6 miles northeast of the junction of Hwy. 74 and Santa Rosa Mt. Road 1036 Comment
  UCR273241  Quercus durata var. gabrielensis Mitch Provance, Jeremiah George 2012-1-30 17371 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  UC1135588  Quercus engelmannii R. St. John 1931-1-29 180 Riverside s of Murrieta; Elsinore Quad. 457 Comment
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Jan 26 2010
  UC5842  Quercus engelmannii Samuel B. Parish 1891-11-3 2257 Riverside near Murietta Comment
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Jul 15 2009
  UCR252814  Quercus engelmannii John Dvorak 2010-11-2 007 Riverside Perris Aguanga Basin, Two miles north of the intersection of Sage Road and Highway 79, west of alluvial fan 692 Comment
  CAS-BOT-BC105319  Quercus kelloggii Carl Epling 1931-10-4 245 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  CAS-BOT-BC105323  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Mts, Santa Rosa 1981 Comment
  CAS-BOT-BC104313  Quercus palmeri E. K. Balls; P. C. Everett 1952-11-18 18257 Riverside by entrance to Santa Rosa Indian reservation, Vandeventer Flats 1402 Comment
  UCD47107  Quercus palmeri Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of keen Camp, Riverside County, California. 1341 Comment
  RSA651697  Quercus wislizeni var. frutescens Diane M. Ramirez 1983-5-1 34 Riverside Poppet Flat Divide Truck Trial, 1 mi S of junction with CA Hwy 243, S of Banning. Comment
  UCD95012  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 06- 530 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 595 Comment
  UCR178144  Rafinesquia californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 391 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR213623  Rafinesquia californica A. C. Sanders, Matthew Malle 2010-4-23 37994 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR272449  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 014 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  UC219191  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 mi nw Corona (small branch of creek); Chino Creek 228 Comment
  CAS-BOT-BC378495  Ranunculus californicus var. californicus Edmund C. Jaeger 1925-3-21 s.n. Riverside Temecula, northwest of village Comment
  UCR30480  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 427 Comment
  RSA785510  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UC592847  Rhamnus crocea B. D. Stark 1933-2-19 Riverside 2.5 mi e Nuevo 457 Comment
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Jan 2 2015
  RSA505024  Rhamnus ilicifolia D. Charlton 1988-5-21 1909 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA772006  Rhamnus ilicifolia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4965 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR270307  Rhamnus ilicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8375 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UC18587  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  PASA1596  Rhododendron occidentale Sally Ellis 1939-6-24 Riverside Halona Comment
  JOTR32000  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  IRVC88  Rhus ovata D. DeVault 1965-4-24 s.n. Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  UCR178836  Rhus ovata Tracy Tennant 1998-8-28 MOR- 710 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  RSA716371  Rhus trilobata Scott D. White 2006-5-19 11477 Riverside South of Hemet, Santa Rosa Hills near Hemet Butte. 549 Comment
  UCR23251  Ribes californicum var. hesperium John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  POM50270  Ribes cereum H. M. Hall 1901-07 s.n. Riverside In open forests of Tahquitz Valley. 2439 Comment
  UC79638  Ribes cereum A. W. Anthony 1895-7-7 Riverside San Jacinto Mountain 2743 Comment
  CAS-BOT-BC173142  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon 975 Comment
  CLARK-A1528-4129  Ribes indecorum John C. Roos 1947-3-15 3341 Riverside San Jacinto Mountains Comment
  POM48312  Ribes indecorum E. C. Jaeger 1925-3-1 1 Riverside Snow Canyon, . San Jacinto Mts. Comment
  RSA518453  Ribes indecorum C. W. Tilforth 1977-3-6 1268 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 & Forestry Rd. 6S06. Comment
  RSA577519  Ribes indecorum D. L. Banks, Steve Boyd 1995-2-16 0047 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 731 Comment
  RSA604868  Ribes indecorum Scott D. White 1995-12-24 3800 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  UCR113594  Ribes indecorum A. C. Sanders 1998-1-15 21628 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UCR13744  Ribes indecorum N. R. Zabriskie, W. W. Zabriskie 1971-4-9 368 Riverside Santa Rosa Mtns, Deep Canyon south of Hwy 74, c. 2 mi up water service road, below crossing, N slope mtns. 1372 Comment
  POM13348  Ribes malvaceum var. viridifolium E. C. Jaeger 1921-6-13 s.n. Riverside Mac Mullin Trail Comment
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Apr 4 2011
  RSA441494  Ribes malvaceum var. viridifolium D. A. Young 1969-4-12 p 442 Riverside Hwy 74 on the way to Idlewild. 579 Comment
  POM13459  Ribes roezlii P. A. Munz, I. M. Johnston 1922-5-19 5395 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  RSA171333  Ribes roezlii J. D. Olmsted 1962-5-3 3500 Riverside San Jacinto Mts, Rnear top fo Thomas Mt. 1951 Comment
  UC55241  Ribes roezlii H. M. Hall 1897-5-19 5635 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1310 Comment
  UCR35281  Ribes roezlii var. roezlii L. B. Ziegler 1968-6-12 316 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  CLARK-A1528-365  Rorippa nasturtium-aquaticum C. M. McKell 1973-4-26 OO 318 Riverside Morongo Indian Reservation 1158 Comment
  SD136237  Rorippa obtusa Dylan T. Hannon 1993-5-6 176 Riverside Norco, ca 3 miles west of Interstae 15, along north side of Santa Ana River bordering dairy fields Comment
  RSA741187  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR199625  Rubus ursinus Scott D. White 2004-4-26 10260 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR134594  Rumex hymenosepalus Marisa Sripracha, Kyle Boyd 2004-2-14 010 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR80798  Rumex salicifolius Scott D. White 1993-5-29 1479 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UC1178453  Rumex salicifolius var. salicifolius Peter Kamb 1948-7-10 1185 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR9560  Rumex salicifolius var. salicifolius O. F. Clarke 1968-9-18 s.n. Riverside From the campus of the University of California at Riverside Comment
  RSA701781  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  RSA559964  Sagina decumbens subsp. occidentalis Steve Boyd 1992-4-28 7078 Riverside Santa Ana Mountains, Elsinore Peak area, old Main Divide roadbed about 0.25 mile due south of peak. 1021 Comment
  CAS-BOT-BC500429  Salazaria mexicana A. C. Sanders; Jim Malusa 2015-3-11 41410 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  UC604956  Salazaria mexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  UCR88296  Salazaria mexicana A. C. Sanders, K. C. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CLARK-A1528-834  Salix Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  CAS-BOT-BC103901  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Can., Coachella Valley Comment
  POM319274  Salix exigua Patricia Wilder 1971-3-20 4907 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  POM319629  Salix exigua Patricia Wilder 1971-11-11 5294 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR26527  Salix exigua A. C. Sanders, S. Hagopian 1981-5-20 2130 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR92270  Salix exigua Scott D. White 1995-8-23 3571 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  SBBG58934  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  CAS-BOT-BC108113  Salix gooddingii Fay A. Mac Fadden 1936-3-20 14666 Riverside Morongo Valley Comment
  CAS-BOT-BC108118  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Lee Lake, Temescal Canyon [Canon] 335 Comment
  CAS-BOT-BC108120  Salix gooddingii Marjorie Clary 1934-3-3 s.n. Riverside Carrizo Canyon [Canon], 18 mi. w. of Indio 304 Comment
  RSA543141  Salix gooddingii Steve D. Boyd 1991-3-17 5501 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD229279  Salix gooddingii Dick Schwenkmeyer 2012-11-6 882 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  LA208713  Salix jepsonii E. McClintock; 1938-4-10 sn Riverside Humphries Reservoir, Soboba Indian Reservation, San Jacinto Comment
  JOTR36478  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  POM177760  Salix laevigata Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  RSA192109  Salix laevigata E. W. Lathrop 1960-6-9 4980 Riverside 14 miles west of Murrieta. Comment
  UC64010  Salix laevigata H. M. Hall June, 1901 2278 Riverside San Jacinto Mts., Strawberry Creek 1584 Comment
  UCR17442  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-4-24 391 Riverside Santa Rosa Mtns, Deep Canyon, N slope of mountains 1317 Comment
  RSA770783  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4596 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR5944  Salix lutea var. watsonii David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, Lake Fulmor, between road and lake Comment
  UCR201981  Salsola paulsenii Karin Cleary-Rose 1997-1 s.n Riverside Sonoran (Colorado) Desert, Coachella Valley, six mile segment of Jefferson St. in La Quinta and Indio, between Indio Blvd. and Ave. 54 10 Comment
  UCR116415  Saltugilia australis S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UC23852  Saltugilia splendens subsp. splendens H. M. Hall July 1901 2544 Riverside canyon tributary to Snow Creek (north side, San Jacinto Mountains); San Jacinto Mountains, North side, trib to Snow Creek Comment
  POM210065  Salvia apiana Victor Duran 1933-7-1 3491 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  UCR182992  Salvia apiana Mitch Provance 2003-4-26 9886 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR94650  Salvia apiana Scott D. White 1996-5-27 4070 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  SDSU13958  Salvia clevelandii Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2145 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  RSA401492A  Salvia columbariae Bruce M. Crawford 1932-5-1 s.n. Riverside 15 miles east Windmill springs [At or near Windmill Tank] Comment
  SDSU21842  Salvia columbariae Kalee Koeslag, Allen Schellerup 2016-4-16 5 Riverside Santa Margarita Ecological Reserve, in Stone Creek woodland old road off of Red Mountian Truck Trail 183 Comment
  UCR177024  Salvia columbariae Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  JOTR00903  Salvia columbariae Sipe, Frank 1958-3-7 225 Riverside Joshua Tree National Park. PINTO BASIN Comment
  UCLA69705  Salvia eremostachya L. Haines and L. Erickson 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  SD49879  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside East of Coachella Canal 3.6 miles on a road up the south side of the Orocopia Mountains. Comment
  UCR23566  Salvia greatae John C. Roos 1958-3-29 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek Wash, 3 miles north of Coachella Canal on [south] base of Orocopia Mtns. 305 Comment
  RSA434100  Salvia leucophylla E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  RSA769334  Salvia leucophylla E. W. Lathrop 1974-6-4 7403 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  POM50386  Salvia mellifera W. W. Eggleston 1924-3-10 19538 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA434142  Salvia mellifera N. C. Cooper 1944-6-4 1350 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA543163  Salvia mellifera Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6093 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR107389  Salvia mellifera B. G. Pitzer 1997-3-23 2970 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  SBBG6506  Salvia pachyphylla H. and M. Dearing 1937-11-27 1569 Riverside Santa Rosa Mtn Comment
  SD241882  Salvia pachyphylla Jay Walker, R. C. Walker 2004-4-15 3095 Riverside Santa Rosa Mtn., 7.3 miles up Santa Rosa Mtn truck trail from jct with hwy 74. Comment
  RSA343867  Sanicula crassicaulis R. F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60659 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  RSA527854  Sanicula crassicaulis Scott D. White 1991-5-13 91 -79 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA583613  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UCR34992  Sarcostemma cynanchoides L. B. Ziegler 1966-9-13 085 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  UCR140892  Sarcostemma cynanchoides subsp. hartwegii Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA180270  Satureja chandleri E. W. Lathrop 1965-4-18 5654 Riverside 10 miles west of Murrieta. Comment
  SD234790  Scandix pecten-veneris G. K. Helmkamp, E. A. Helmkamp 2008-3-22 13236 Riverside Sierra Nevada Mountains Foothills: along Mokelumne Vista Road at the junction with CA-49, just west of Mokelumne Hill village (Mokelumne Hill 7.5'Q) 479 Comment
  SD137942  Schismus barbatus Darin L. Banks 1995-5-9 368 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of the Woodchuck Campground 792 Comment
  UC1146064  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 29093 Riverside 3 mi se of Glen Ivy Hot Springs Comment
  UC1546999  Schismus barbatus Leila M. Shultz, John S. Shultz 1985-4-17 8299 Riverside n of Blythe (Palo Verde Valley, at the s extension of the Big Maria Mountains); Big Maria Mountains, Palo Verde Valley 91 Comment
  UCR111567  Schoenoplectus acutus var. occidentalis Mitch Provance 1999-5-4 1680 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR163232  Schoenoplectus americanus D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  UCR235087  Schoenoplectus californicus A. C. Sanders, John F. Green 2012-5-27 40209 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  SDSU12972  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC111019  Scirpus microcarpus Earl W. Lathrop 1965-5-7 57156 Riverside 5 miles SW of Murrieta on the DeLuz road Comment
  SBBG80993  Scirpus microcarpus D. L. Ill 1985-5-12 39 Riverside Harford Springs, 1.6 mi S of Cajalco Rd on Gavilan Rd, right side of rd along Spring, Gavilan Hills 609 Comment
  CLARK-A1703-90  Scirpus robustus Robin L. Kobaly 1972-5-17 RLK 720517 Riverside Riverside 243 Comment
  RSA487444  Scrophularia californica Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  UCR107710  Scrophularia californica A. C. Sanders 1997-3-1 19751 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR241635  Scrophularia californica T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 351 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR93025  Scrophularia californica G. P. Schultz 1994-4-7 85 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  POM11518  Scrophularia californica subsp. floribunda Philip A. Munz 1922-7-1 5933 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  UCR193952  Scutellaria bolanderi subsp. austromontana A. C. Sanders 2008-7-25 35893 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  POM13117  Scutellaria tuberosa P. A. Munz, I. M. Johnston 1922-5-19 5339 Riverside 5 miles NE of Murietta. 488 Comment
  SD67927  Sedum niveum Reid Moran 1968-8-3 15346 Riverside On northeast slope, 1.0 mile northwest of Toro Peak. 2250 Comment
  LA209602  Selaginella asprella Lawrence L. Kiefer; 1963-9-15 954 Riverside San Jacinto Mountains, N fork San Jacinto River (Dark Cyn.), ca. 2.5 mi above Dark Canyon Camp 1981 Comment
  CAS-BOT-BC69802  Selaginella bigelovii L. R. Abrams 1926-3-25 11041 Riverside Between Banning and Cabazon. Comment
  POM6471  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1824 Riverside Lakeview Mountains: south end of Juniper Flat 609 Comment
  UCR202013  Selaginella bigelovii Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  SBBG118800  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Orocopia Mtns, S of Hayfield Reservoir Comment
  SBBG14838  Selaginella eremophila L. L. Kiefer 1963-3-24 485 Riverside Andreas Cyn 243 Comment
  CLARK-A1528-2083  Senecio douglasii var. monoensis John C. Roos 1947-11-1 3757 Riverside Eagle Mountains Comment
  RSA28015  Senecio douglasii var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 miles below Cottonwood Springs Comment
  CAS-BOT-BC323966  Senecio flaccidus var. douglasii R. E. Riefner, Jr. 2006-3-4 06 -46 Riverside Peninsular Range; San Jacinto Mtns. Near Anza, c. 1.5 mi. W from Pine Medow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  RSA575920  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCR92386  Senecio flaccidus var. douglasii F. M. Reed 1933-11-6 8306 Riverside Peninsular Range; Santa Rosa Mtns, Santa Rosa Indian Reservation 1402 Comment
  SBBG55575  Senecio mohavensis D. Keil, M. McLeod, D. Walters 1977-3-28 12075 Riverside Pinto Basin Rd, 11 mi S of northern park boundary Comment
  RSA0041457  Senna armata Duncan S. Bell, LeRoy Gross 2014-3-20 6276 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA220388  Senna armata C. W. Tilforth, John Dourley 1921-4-14 343 Riverside Pinto Basin, Joshua Tree National Monument. Comment
  SD126149  Sesbania herbacea A. C. Sanders 1988-11-6 8736 Riverside Coachella Valley, west side of highway 86, 6.25 miles south of its junction with Highway 11, 3.85 miles north of Valerie Jean, .6 mils north of avenue 60 -35 Comment
  CLARK-A1528-1387  Sesuvium verrucosum John C. Roos 1937-5-10 2332 Riverside Lake Elsinore Comment
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Jun 24 2014
  UCR241942  Setaria adhaerens A. C. Sanders, Jose Aguiar 2012-12-19 40533 Riverside Sonoran (Colorado) Desert, Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal -8 Comment
  RSA651762  Setaria parviflora Diane T. Liggett 1981-5-16 12 Riverside Riverside Freeway (91) east of Gypsum Canyon Road, north to Featherly Park entrance, east ot bike trail, 0.2 km east. Comment
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Jul 14 2013
  LA205901  Sidalcea malviflora W. B. Welch; 1932-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  SDSU13891  Sidalcea sparsifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2143 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR25019  Silene parishii A. C. Sanders 1980-7-23 1747 Riverside San Jacinto Mtns, Black Mountain, between Black Mtn Campground and Boulder Basin, at the head of Ditch Creek. 2195 Comment